Changes in 3a45027: ldo

				BOM-DAT/CONN-DAT/DF40-dat/DF40-dat.md
			
          @@ -7,6 +7,9 @@

           ![](2024-11-20-11-19-18.png)

          +

          +

          +

           ## DF40 

           The Hirose DF40 series comes in multiple pin counts — it’s not fixed.

				Chip-cn-dat/Espressif-dat/ESP32-S3-DAT/ESP32-S3-DAT.md
			
          @@ -80,4 +80,9 @@ Use GDB, VS Code, or Eclipse for debugging.

           ## ref 

          +

          +https://docs.espressif.com/projects/esp-hardware-design-guidelines/en/latest/esp32s3/schematic-checklist.html

          +

          +https://docs.espressif.com/projects/esp-hardware-design-guidelines/en/latest/esp32s3/esp-hardware-design-guidelines-en-master-esp32s3.pdf

          +

           - [[ESP32-S3]] - [[ESP32-I2S-dat]]

          \ No newline at end of file

				Chip-dat/Analog-device-dat/Analog-device-dat.md
			
          @@ -61,6 +61,11 @@ AD524BDZ

           ADA4077

          +## ADC 

          +

          +- MAX22530–MAX22532 - Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC

          +

          +- LTC2225IUH - 12-Bit, 10Msps Low Power 3V ADC

           ## DCDC

				Chip-dat/TI-dat/TI-Power-dat/TI-power-dat.md
			
          @@ -40,7 +40,9 @@ TPS5450 5-A, Wide Input Range, Step-Down Converter

           PTH04T231WAD - Non-Isolated DC/DC Converters 6A 2.2V-5.5Vin Non- Iso Adj Pwr Module

          +## step-down 

          +TLV62130RGTR - TLV62130x 3-V to 17-V 3-A Step-Down Converter In 3x3 QFN Package - Buck Switching Regulator IC Positive Adjustable 0.9V 1 Output 3A 16-VFQFN Exposed Pad

				Chip-dat/maxlinear-dat/maxlinear-dat.md
			
          @@ -0,0 +1,8 @@

          +

          +# maxlinear-dat

          +

          +- SPX3819 - 500mA Low-Noise LDO Voltage Regulator

          +

          +## ref 

          +

          +- [[LDO-dat]] - [[chip-dat]]

          \ No newline at end of file

				Network-dat/ethernet-dat/ethernet-dat.md
			
          @@ -81,6 +81,12 @@ transfomer == G2406S_C507595 and RJ45

           ![](2025-04-25-02-07-43.png)

          +

          +## unsort 

          +

          +- KSZ8041TL/FTL/MLL - 10BASE-T/100BASE-TX/100BASE-FX Physical Layer Transceiver

          +

          +

           ## ref 

           - [[RGMII-dat]] - [[PHY-dat]] - [[TCPUDP-dat]] - [[TCPIP-dat]]

				PCB-dat/EDA-dat/kicad-dat/kidcad-workflow-dat/kicad-pcb-dat/kicad-pcb-dat.md
			
          @@ -71,6 +71,14 @@ Useful when aligning visually or placing text/graphics

           ## text 

          +Edit Text & Graphics Properties.. 

          +

          +- > Scope

          +    - Reference designators

          +    - Values

          +- > set text size 0.6 mm height and width

          +

          +

           ## stop mask - trace 

          @@ -194,17 +202,6 @@ output folder

               for the sub folder "gerber" in current folder == ./gerber

          -## export info 

          -

          -

          -layer 

          -- x.Mask 

          -- x.Fab

          -- Edge.Cuts

          -![alt text](95e854b5209f226b023ebe7765500e9.png)

          -

          -

          -

           ## mimic to eagleCAD

           - [[eagleCAD-dat]]

          @@ -225,6 +222,21 @@ Unfortunately, KiCad doesn’t allow binding mouse buttons directly in hotkeys.

           paste / edge / fab 

          +

          +## export info 

          +

          +

          +layer 

          +- x.Mask 

          +- x.Fab

          +- Edge.Cuts

          +![alt text](95e854b5209f226b023ebe7765500e9.png)

          +

          +

          +

          +

          +

          +

           ## ref 

           - [[kicad-dat]]

          \ No newline at end of file

				PCB-dat/PCB-design-dat/footprint-dat/footprint-dat.md
			
          @@ -5,17 +5,23 @@

           - [[kicad-dat]] - [[kicad-footprint-dat]]

          +- [[fab-PCBA-dat]]

          +

          +## pitch large footprint

          +

          +- [[SOP-dat]]

          +

          +## pitch 0.5mm footprint

          +

           - [[QFN-dat]] - [[WLP-dat]] == [[MAX98357-dat]] - [[BQ51050-dat]]

           - [[QFP-dat]] 

           - [[SSOP-dat]] 

          -- [[SOP-dat]]

          -

          -- [[fab-PCBA-dat]]

          -

          +## pitch 0.4mm footprint

          +- pitch 0.5mm [[DF40-dat]]

          @@ -190,4 +196,6 @@ SOD-123 is a small SMD package used for diodes, transistors, and other component

           ## ref 

          -- [[BOM-dat]]

          \ No newline at end of file

          +- [[BOM-dat]]

          +

          +- [[kicad-pcb-dat]]

          \ No newline at end of file

				Tech-dat/ADC-dat/ADC-dat.md
			
          @@ -93,6 +93,10 @@

           - [[maxim-dat]] - MAX196/MAX198 - Multirange, Single +5V, 12-Bit DAS with 12-Bit Bus Interface

          +- [[analog-device-dat]] 

          +

          +

          +

           ## ref 

           - [[tech-dat]]

				Tech-dat/memory-dat/RAM-dat/RAM-dat.md
			
          @@ -1,4 +1,13 @@

           # RAM-dat

          -- [[DRAM-dat]] - [[PSRAM-dat]] - [[SRAM-dat]]

          \ No newline at end of file

          +- [[DRAM-dat]] - [[PSRAM-dat]] - [[SDRAM-dat]]

          +

          +

          +

          +

          +

          +

          +## ref 

          +

          +- [[ram-dat]]

          \ No newline at end of file

				Tech-dat/memory-dat/RAM-dat/SDRAM-dat/SDRAM-dat.md
			
          @@ -22,6 +22,12 @@ SCH

           ![](2025-08-07-12-49-24.png)

          +## unsort 

          +

          +

          +MT41K256M16TW-107 XIT:P TR - SDRAM - DDR3L Memory IC 4Gbit Parallel 933 MHz 20 ns 96-FBGA (8x14)

          +

          +

           ## ref

				Tech-dat/memory-dat/memory-dat.md
			
          @@ -5,6 +5,7 @@

           - [[SDIO-dat]]

          +- [[RAM-dat]]

           ## USB

				fab-dat/fab-PCBA-dat/fab-PCBA-dat.md
			
          @@ -24,6 +24,9 @@

           ![](2025-09-18-18-56-08.png)

          +- [[RP2040-dat]]

          +

          +

           ## PCBA 

           - include extra assembly, files

				power-dat/DC-dat/LDO-dat/2024-01-18-18-11-53.png
			
          Binary files a/power-dat/DC-dat/LDO-dat/2024-01-18-18-11-53.png and /dev/null differ

				power-dat/DC-dat/LDO-dat/2024-07-10-13-00-29.png
			
          Binary files a/power-dat/DC-dat/LDO-dat/2024-07-10-13-00-29.png and /dev/null differ

				power-dat/DC-dat/LDO-dat/2025-08-09-17-21-03.png
			
          Binary files a/power-dat/DC-dat/LDO-dat/2025-08-09-17-21-03.png and /dev/null differ

				power-dat/DC-dat/LDO-dat/LDO-2CH-dat/LDO-2CH-dat.md
			
          @@ -1,10 +0,0 @@

          -

          -# LDO-2CH-dat

          -

          -- [[XC6206-dat]]

          -

          -

          -

          -## ref 

          -

          -- [[LDO-2CH]]

          \ No newline at end of file

				power-dat/DC-dat/LDO-dat/LDO-3CH-dat/LDO-3CH-dat.md
			
          @@ -1,8 +0,0 @@

          -

          -# LDO-3CH-dat

          -

          -

          -## seperated options 

          -

          -- [[SY8089-dat]] - [[silergy-dat]]

          -

				power-dat/DC-dat/LDO-dat/LDO-dat.md
			
          @@ -1,129 +0,0 @@

          -

          -# LDO-dat 

          -

          -- [[microne-dat]] - [[silergy-dat]] - [[ti-power-dat]]

          -

          -- [[LDO]]

          -

          -- [[LDO-2CH-dat]]

          -

          -- [[LDO-3CH-dat]]

          -

          -## comparable table 

          -

          -| chip              | package | VIN |

          -| ----------------- | ------- | --- |

          -| [[AMS1117-dat]]   | SOT-89  |     |

          -| 6211              |         |     |

          -| SPX3819           |         |     |

          -| RT9013 / RT9193   |         |     |

          -| SGM2028 / SGM2019 |         |     |

          -| MIC5219           |         |     |

          -| XC6219            |         |     |

          -| LP2985            |         |     |

          -

          -- [[LM317-dat]]

          -

          -CE6260 == 500mA CMOS LDO Regulator, Low Dropout Voltage, Dropout Voltage: 120mV@100mA（3.0V Typ.）, ~200–300mV @ 250mA

          -

          -[SGM2036 == SGM2036, 300mA, Low Power, and Low Dropout RF Linear Regulator](https://www.sg-micro.com/rect/assets/efa85993-263c-41aa-9274-b488f59f85d5/SGM2036.pdf)

          -

          -[HM6245 ==1A Low Power LDO, Low voltage drop: 0.06V@100mA](https://dfimg.dfrobot.com/5d57611a3416442fa39bffca/wiki/6f630301d84caf0e92266e3c5cf11edc.PDF)

          -

          -SC622K == 500mA Low Dropout Regulator, Low voltage drop: 0.1V@100mA

          -

          -

          -SOT23-3 

          -

          -- [[me6206-dat]] - [[microne-dat]]

          -

          -

          -

          -

          -

          -### SOT23-5

          -

          -

          -SOT23-5 

          -

          -- [[ME6211-dat]]

          -

          -| mode   | volt  | current | 1   | 2   | 3   | 4   | 5    |

          -| ------ | ----- | ------- | --- | --- | --- | --- | ---- |

          -| XC6204 | 2-10V | 150ma   | VIN | VSS | CE  | NC  | Vout |

          -| ME6214 | 2-18V | 300ma   | VIN | VSS | CE  | NC  | Vout |

          -

          -

          -

          -

          -## pins 

          -

          -| mode            | footprint | 1   | 2    | 3    |

          -| --------------- | --------- | --- | ---- | ---- |

          -| [[AMS1117-dat]] | SOT-89    | GND | VOUT | VIN  |

          -| [[HT7333-dat]]  | SOT-89    | GND | VIN  | VOUT |

          -

          -## 9742 

          -

          -![](2024-01-18-18-11-53.png)

          -

          -

          -

          -

          -## SGM2036 

          -

          -- VGPS = 2.8V 

          -

          -![](2024-07-10-13-00-29.png)

          -

          -

          -

          -## large current 

          -

          -- [[LM7805-dat]] - [[TI-power-dat]] - [[LM317-dat]]

          -

          -

          -[LD1086DT33TR](https://www.mouser.com/ProductDetail/STMicroelectronics/LD1086DT33TR?qs=ZqrNm9%252BX9x495avHxGunSw%3D%3D&srsltid=AfmBOoo8TbJZVeh8Kv_urL5uG9JMlbgNaeSaF4P_AzeEG9Svc2ydWkUq) == LDO Voltage Regulators 3.3V 1.5A Positive

          -

          -

          -

          -## LDO array 

          -

          -![](2025-08-09-17-21-03.png)

          -

          -

          -## others 

          -

          -

          -

          -MC7824BD2TG == Linear Voltage Regulators 24V 1A Positive

          -

          -Nisshinbo Micro Devices Inc. **NJM78L05UA-TE2** == Fixed Positive Standard Regulator, 5VBIPolar, PSSO3, MINI, PLASTIC, SOT-89, 3 PIN

          -

          -MIC5365 == High Performance Single 150mA LDO

          -

          -MIC5528 == Single High Performance 500mA LDO w/ Auto Discharge & Internal Enable Pulldown

          -

          -TPS == - [[TI-power-dat]]

          -

          -TPS74401-EP == 3.0-A ULTRA-LDO WITH PROGRAMMABLE SOFT-START

          -

          -TPS7A89 == Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator

          -

          -MC7800, MC7800A, MC7800AE, NCV7800 == Voltage Regulators – Positive 1.0 A

          -

          -

          -LM109,LM309 == LM109/LM309 5-Volt Regulator

          -

          -

          -

          -

          -## ref 

          -

          -- [[DC-dat]]

          -

          -- [[LDO]]

          -

          -- [[silergy]]

          -

          -- [[PCB-design]]

          \ No newline at end of file

				power-dat/LDO-dat/2024-01-18-18-11-53.png
			
          Binary files /dev/null and b/power-dat/LDO-dat/2024-01-18-18-11-53.png differ

				power-dat/LDO-dat/2024-07-10-13-00-29.png
			
          Binary files /dev/null and b/power-dat/LDO-dat/2024-07-10-13-00-29.png differ

				power-dat/LDO-dat/2025-08-09-17-21-03.png
			
          Binary files /dev/null and b/power-dat/LDO-dat/2025-08-09-17-21-03.png differ

				power-dat/LDO-dat/LDO-2CH-dat/LDO-2CH-dat.md
			
          @@ -0,0 +1,10 @@

          +

          +# LDO-2CH-dat

          +

          +- [[XC6206-dat]]

          +

          +

          +

          +## ref 

          +

          +- [[LDO-2CH]]

          \ No newline at end of file

				power-dat/LDO-dat/LDO-3CH-dat/LDO-3CH-dat.md
			
          @@ -0,0 +1,8 @@

          +

          +# LDO-3CH-dat

          +

          +

          +## seperated options 

          +

          +- [[SY8089-dat]] - [[silergy-dat]]

          +

				power-dat/LDO-dat/LDO-dat.md
			
          @@ -0,0 +1,134 @@

          +

          +# LDO-dat 

          +

          +- [[microne-dat]] - [[silergy-dat]] - [[ti-power-dat]]

          +

          +- [[LDO]]

          +

          +- [[LDO-2CH-dat]]

          +

          +- [[LDO-3CH-dat]]

          +

          +## comparable table 

          +

          +| chip              | package | VIN |

          +| ----------------- | ------- | --- |

          +| [[AMS1117-dat]]   | SOT-89  |     |

          +| 6211              |         |     |

          +| SPX3819           |         |     |

          +| RT9013 / RT9193   |         |     |

          +| SGM2028 / SGM2019 |         |     |

          +| MIC5219           |         |     |

          +| XC6219            |         |     |

          +| LP2985            |         |     |

          +

          +- [[LM317-dat]]

          +

          +CE6260 == 500mA CMOS LDO Regulator, Low Dropout Voltage, Dropout Voltage: 120mV@100mA（3.0V Typ.）, ~200–300mV @ 250mA

          +

          +[SGM2036 == SGM2036, 300mA, Low Power, and Low Dropout RF Linear Regulator](https://www.sg-micro.com/rect/assets/efa85993-263c-41aa-9274-b488f59f85d5/SGM2036.pdf)

          +

          +[HM6245 ==1A Low Power LDO, Low voltage drop: 0.06V@100mA](https://dfimg.dfrobot.com/5d57611a3416442fa39bffca/wiki/6f630301d84caf0e92266e3c5cf11edc.PDF)

          +

          +SC622K == 500mA Low Dropout Regulator, Low voltage drop: 0.1V@100mA

          +

          +

          +SOT23-3 

          +

          +- [[me6206-dat]] - [[microne-dat]]

          +

          +

          +

          +

          +

          +### SOT23-5

          +

          +

          +SOT23-5 

          +

          +- [[ME6211-dat]]

          +

          +| mode   | volt  | current | 1   | 2   | 3   | 4   | 5    |

          +| ------ | ----- | ------- | --- | --- | --- | --- | ---- |

          +| XC6204 | 2-10V | 150ma   | VIN | VSS | CE  | NC  | Vout |

          +| ME6214 | 2-18V | 300ma   | VIN | VSS | CE  | NC  | Vout |

          +

          +

          +

          +

          +## pins 

          +

          +| mode            | footprint | 1   | 2    | 3    |

          +| --------------- | --------- | --- | ---- | ---- |

          +| [[AMS1117-dat]] | SOT-89    | GND | VOUT | VIN  |

          +| [[HT7333-dat]]  | SOT-89    | GND | VIN  | VOUT |

          +

          +## 9742 

          +

          +![](2024-01-18-18-11-53.png)

          +

          +

          +

          +

          +## SGM2036 

          +

          +- VGPS = 2.8V 

          +

          +![](2024-07-10-13-00-29.png)

          +

          +

          +

          +## large current 

          +

          +- [[LM7805-dat]] - [[TI-power-dat]] - [[LM317-dat]]

          +

          +

          +[LD1086DT33TR](https://www.mouser.com/ProductDetail/STMicroelectronics/LD1086DT33TR?qs=ZqrNm9%252BX9x495avHxGunSw%3D%3D&srsltid=AfmBOoo8TbJZVeh8Kv_urL5uG9JMlbgNaeSaF4P_AzeEG9Svc2ydWkUq) == LDO Voltage Regulators 3.3V 1.5A Positive

          +

          +

          +

          +## LDO array 

          +

          +![](2025-08-09-17-21-03.png)

          +

          +

          +## others 

          +

          +

          +

          +MC7824BD2TG == Linear Voltage Regulators 24V 1A Positive

          +

          +Nisshinbo Micro Devices Inc. **NJM78L05UA-TE2** == Fixed Positive Standard Regulator, 5VBIPolar, PSSO3, MINI, PLASTIC, SOT-89, 3 PIN

          +

          +MIC5365 == High Performance Single 150mA LDO

          +

          +MIC5528 == Single High Performance 500mA LDO w/ Auto Discharge & Internal Enable Pulldown

          +

          +TPS == - [[TI-power-dat]]

          +

          +TPS74401-EP == 3.0-A ULTRA-LDO WITH PROGRAMMABLE SOFT-START

          +

          +TPS7A89 == Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator

          +

          +MC7800, MC7800A, MC7800AE, NCV7800 == Voltage Regulators – Positive 1.0 A

          +

          +

          +LM109,LM309 == LM109/LM309 5-Volt Regulator

          +

          +- [[analog-device-dat]] - LT1763 Series - 500mA, Low Noise, LDO Micropower Regulators

          +

          +

          +## maker 

          +

          +- [[maxlinear-dat]]

          +

          +

          +## ref 

          +

          +- [[DC-dat]]

          +

          +- [[LDO]]

          +

          +- [[silergy]]

          +

          +- [[PCB-design]]

          \ No newline at end of file

				power-dat/power-dat.md
			
          @@ -7,7 +7,9 @@

           - [[battery-drainer-dat]] - [[acdc-dat]] - [[power-sensor-dat]]

          -- [[DC-dat]] - [[dcdc-dat]] - [[dcdc-down-dat]] - [[dcdc-boost-dat]] - [[LDO-dat]]

          +- [[DC-dat]] - [[dcdc-dat]] - [[dcdc-down-dat]] - [[dcdc-boost-dat]] 

          +

          +- [[LDO-dat]]

           - [[low-power-dat]]

          @@ -27,6 +29,7 @@

           - [[Power-distribution-dat]]

          +- [[supervisory-dat]]

           ## workflow

          @@ -90,6 +93,10 @@ An **Integrated PDB** is a circuit board built **into a drone’s flight control

           AP22652/AP22653/AP22652A/AP22653A - PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES

          +## Sink and Source DDR Termination Regulator

          +

          +

          +- [[ti-power-dat]] == TPS51200DRC - TPS51200 Sink and Source DDR Termination Regulator - The TPS51200 device is a sink and source double data rate (DDR) termination regulator specifically designed for low input voltage, low-cost, low-noise systems where space is a key consideration.

           ## ref

				power-dat/supervisory-dat/supervisory-dat.md
			
          @@ -0,0 +1,9 @@

          +

          +

          +# supervisory-dat

          +

          +STM811TW16F

          +

          +The STM809/810/811/812 MICROPROCESSOR RESET Circuits are low-power supervisory devices used to monitor power supplies. 

          +

          +They perform a single function: asserting a reset signal whenever the VCC supply voltage drops below a preset value and keeping it asserted until VCC has risen above the preset...

          \ No newline at end of file

...	...	@@ -7,6 +7,9 @@
7	7
8	8	![](2024-11-20-11-19-18.png)
9	9
	10	+
	11	+
	12	+
10	13	## DF40
11	14
12	15	The Hirose DF40 series comes in multiple pin counts — it’s not fixed.

...	...	@@ -80,4 +80,9 @@ Use GDB, VS Code, or Eclipse for debugging.
80	80
81	81	## ref
82	82
	83	+
	84	+https://docs.espressif.com/projects/esp-hardware-design-guidelines/en/latest/esp32s3/schematic-checklist.html
	85	+
	86	+https://docs.espressif.com/projects/esp-hardware-design-guidelines/en/latest/esp32s3/esp-hardware-design-guidelines-en-master-esp32s3.pdf
	87	+
83	88	- [[ESP32-S3]] - [[ESP32-I2S-dat]]
...	...	\ No newline at end of file

...	...	@@ -61,6 +61,11 @@ AD524BDZ
61	61
62	62	ADA4077
63	63
	64	+## ADC
	65	+
	66	+- MAX22530–MAX22532 - Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC
	67	+
	68	+- LTC2225IUH - 12-Bit, 10Msps Low Power 3V ADC
64	69
65	70	## DCDC
66	71

...	...	@@ -40,7 +40,9 @@ TPS5450 5-A, Wide Input Range, Step-Down Converter
40	40
41	41	PTH04T231WAD - Non-Isolated DC/DC Converters 6A 2.2V-5.5Vin Non- Iso Adj Pwr Module
42	42
	43	+## step-down
43	44
	45	+TLV62130RGTR - TLV62130x 3-V to 17-V 3-A Step-Down Converter In 3x3 QFN Package - Buck Switching Regulator IC Positive Adjustable 0.9V 1 Output 3A 16-VFQFN Exposed Pad
44	46
45	47
46	48

...	...	@@ -0,0 +1,8 @@
	1	+
	2	+# maxlinear-dat
	3	+
	4	+- SPX3819 - 500mA Low-Noise LDO Voltage Regulator
	5	+
	6	+## ref
	7	+
	8	+- [[LDO-dat]] - [[chip-dat]]
...	...	\ No newline at end of file

...	...	@@ -81,6 +81,12 @@ transfomer == G2406S_C507595 and RJ45
81	81	![](2025-04-25-02-07-43.png)
82	82
83	83
	84	+
	85	+## unsort
	86	+
	87	+- KSZ8041TL/FTL/MLL - 10BASE-T/100BASE-TX/100BASE-FX Physical Layer Transceiver
	88	+
	89	+
84	90	## ref
85	91
86	92	- [[RGMII-dat]] - [[PHY-dat]] - [[TCPUDP-dat]] - [[TCPIP-dat]]

...	...	@@ -71,6 +71,14 @@ Useful when aligning visually or placing text/graphics
71	71
72	72	## text
73	73
	74	+Edit Text & Graphics Properties..
	75	+
	76	+- > Scope
	77	+ - Reference designators
	78	+ - Values
	79	+- > set text size 0.6 mm height and width
	80	+
	81	+
74	82
75	83	## stop mask - trace
76	84
...	...	@@ -194,17 +202,6 @@ output folder
194	202	for the sub folder "gerber" in current folder == ./gerber
195	203
196	204
197		-## export info
198		-
199		-
200		-layer
201		-- x.Mask
202		-- x.Fab
203		-- Edge.Cuts
204		-![alt text](95e854b5209f226b023ebe7765500e9.png)
205		-
206		-
207		-
208	205	## mimic to eagleCAD
209	206
210	207	- [[eagleCAD-dat]]
...	...	@@ -225,6 +222,21 @@ Unfortunately, KiCad doesn’t allow binding mouse buttons directly in hotkeys.
225	222
226	223	paste / edge / fab
227	224
	225	+
	226	+## export info
	227	+
	228	+
	229	+layer
	230	+- x.Mask
	231	+- x.Fab
	232	+- Edge.Cuts
	233	+![alt text](95e854b5209f226b023ebe7765500e9.png)
	234	+
	235	+
	236	+
	237	+
	238	+
	239	+
228	240	## ref
229	241
230	242	- [[kicad-dat]]
...	...	\ No newline at end of file

...	...	@@ -5,17 +5,23 @@
5	5
6	6	- [[kicad-dat]] - [[kicad-footprint-dat]]
7	7
	8	+- [[fab-PCBA-dat]]
	9	+
	10	+## pitch large footprint
	11	+
	12	+- [[SOP-dat]]
	13	+
	14	+## pitch 0.5mm footprint
	15	+
8	16	- [[QFN-dat]] - [[WLP-dat]] == [[MAX98357-dat]] - [[BQ51050-dat]]
9	17
10	18	- [[QFP-dat]]
11	19
12	20	- [[SSOP-dat]]
13	21
14		-- [[SOP-dat]]
15		-
16		-- [[fab-PCBA-dat]]
17		-
	22	+## pitch 0.4mm footprint
18	23
	24	+- pitch 0.5mm [[DF40-dat]]
19	25
20	26
21	27
...	...	@@ -190,4 +196,6 @@ SOD-123 is a small SMD package used for diodes, transistors, and other component
190	196
191	197	## ref
192	198
193		-- [[BOM-dat]]
...	...	\ No newline at end of file
	0	+- [[BOM-dat]]
	1	+
	2	+- [[kicad-pcb-dat]]
...	...	\ No newline at end of file

...	...	@@ -93,6 +93,10 @@
93	93	- [[maxim-dat]] - MAX196/MAX198 - Multirange, Single +5V, 12-Bit DAS with 12-Bit Bus Interface
94	94
95	95
	96	+- [[analog-device-dat]]
	97	+
	98	+
	99	+
96	100	## ref
97	101
98	102	- [[tech-dat]]

...	...	@@ -1,4 +1,13 @@
1	1
2	2	# RAM-dat
3	3
4		-- [[DRAM-dat]] - [[PSRAM-dat]] - [[SRAM-dat]]
...	...	\ No newline at end of file
	0	+- [[DRAM-dat]] - [[PSRAM-dat]] - [[SDRAM-dat]]
	1	+
	2	+
	3	+
	4	+
	5	+
	6	+
	7	+## ref
	8	+
	9	+- [[ram-dat]]
...	...	\ No newline at end of file

...	...	@@ -22,6 +22,12 @@ SCH
22	22	![](2025-08-07-12-49-24.png)
23	23
24	24
	25	+## unsort
	26	+
	27	+
	28	+MT41K256M16TW-107 XIT:P TR - SDRAM - DDR3L Memory IC 4Gbit Parallel 933 MHz 20 ns 96-FBGA (8x14)
	29	+
	30	+
25	31
26	32
27	33	## ref

...	...	@@ -5,6 +5,7 @@
5	5
6	6	- [[SDIO-dat]]
7	7
	8	+- [[RAM-dat]]
8	9
9	10	## USB
10	11

...	...	@@ -24,6 +24,9 @@
24	24
25	25	![](2025-09-18-18-56-08.png)
26	26
	27	+- [[RP2040-dat]]
	28	+
	29	+
27	30	## PCBA
28	31
29	32	- include extra assembly, files

...	...	@@ -1,10 +0,0 @@
1		-
2		-# LDO-2CH-dat
3		-
4		-- [[XC6206-dat]]
5		-
6		-
7		-
8		-## ref
9		-
10		-- [[LDO-2CH]]
...	...	\ No newline at end of file

...	...	@@ -1,8 +0,0 @@
1		-
2		-# LDO-3CH-dat
3		-
4		-
5		-## seperated options
6		-
7		-- [[SY8089-dat]] - [[silergy-dat]]
8		-

...	...	@@ -1,129 +0,0 @@
1		-
2		-# LDO-dat
3		-
4		-- [[microne-dat]] - [[silergy-dat]] - [[ti-power-dat]]
5		-
6		-- [[LDO]]
7		-
8		-- [[LDO-2CH-dat]]
9		-
10		-- [[LDO-3CH-dat]]
11		-
12		-## comparable table
13		-
14		-\| chip \| package \| VIN \|
15		-\| ----------------- \| ------- \| --- \|
16		-\| [[AMS1117-dat]] \| SOT-89 \| \|
17		-\| 6211 \| \| \|
18		-\| SPX3819 \| \| \|
19		-\| RT9013 / RT9193 \| \| \|
20		-\| SGM2028 / SGM2019 \| \| \|
21		-\| MIC5219 \| \| \|
22		-\| XC6219 \| \| \|
23		-\| LP2985 \| \| \|
24		-
25		-- [[LM317-dat]]
26		-
27		-CE6260 == 500mA CMOS LDO Regulator, Low Dropout Voltage, Dropout Voltage: 120mV@100mA（3.0V Typ.）, ~200–300mV @ 250mA
28		-
29		-[SGM2036 == SGM2036, 300mA, Low Power, and Low Dropout RF Linear Regulator](https://www.sg-micro.com/rect/assets/efa85993-263c-41aa-9274-b488f59f85d5/SGM2036.pdf)
30		-
31		-[HM6245 ==1A Low Power LDO, Low voltage drop: 0.06V@100mA](https://dfimg.dfrobot.com/5d57611a3416442fa39bffca/wiki/6f630301d84caf0e92266e3c5cf11edc.PDF)
32		-
33		-SC622K == 500mA Low Dropout Regulator, Low voltage drop: 0.1V@100mA
34		-
35		-
36		-SOT23-3
37		-
38		-- [[me6206-dat]] - [[microne-dat]]
39		-
40		-
41		-
42		-
43		-
44		-### SOT23-5
45		-
46		-
47		-SOT23-5
48		-
49		-- [[ME6211-dat]]
50		-
51		-\| mode \| volt \| current \| 1 \| 2 \| 3 \| 4 \| 5 \|
52		-\| ------ \| ----- \| ------- \| --- \| --- \| --- \| --- \| ---- \|
53		-\| XC6204 \| 2-10V \| 150ma \| VIN \| VSS \| CE \| NC \| Vout \|
54		-\| ME6214 \| 2-18V \| 300ma \| VIN \| VSS \| CE \| NC \| Vout \|
55		-
56		-
57		-
58		-
59		-## pins
60		-
61		-\| mode \| footprint \| 1 \| 2 \| 3 \|
62		-\| --------------- \| --------- \| --- \| ---- \| ---- \|
63		-\| [[AMS1117-dat]] \| SOT-89 \| GND \| VOUT \| VIN \|
64		-\| [[HT7333-dat]] \| SOT-89 \| GND \| VIN \| VOUT \|
65		-
66		-## 9742
67		-
68		-![](2024-01-18-18-11-53.png)
69		-
70		-
71		-
72		-
73		-## SGM2036
74		-
75		-- VGPS = 2.8V
76		-
77		-![](2024-07-10-13-00-29.png)
78		-
79		-
80		-
81		-## large current
82		-
83		-- [[LM7805-dat]] - [[TI-power-dat]] - [[LM317-dat]]
84		-
85		-
86		-[LD1086DT33TR](https://www.mouser.com/ProductDetail/STMicroelectronics/LD1086DT33TR?qs=ZqrNm9%252BX9x495avHxGunSw%3D%3D&srsltid=AfmBOoo8TbJZVeh8Kv_urL5uG9JMlbgNaeSaF4P_AzeEG9Svc2ydWkUq) == LDO Voltage Regulators 3.3V 1.5A Positive
87		-
88		-
89		-
90		-## LDO array
91		-
92		-![](2025-08-09-17-21-03.png)
93		-
94		-
95		-## others
96		-
97		-
98		-
99		-MC7824BD2TG == Linear Voltage Regulators 24V 1A Positive
100		-
101		-Nisshinbo Micro Devices Inc. NJM78L05UA-TE2 == Fixed Positive Standard Regulator, 5VBIPolar, PSSO3, MINI, PLASTIC, SOT-89, 3 PIN
102		-
103		-MIC5365 == High Performance Single 150mA LDO
104		-
105		-MIC5528 == Single High Performance 500mA LDO w/ Auto Discharge & Internal Enable Pulldown
106		-
107		-TPS == - [[TI-power-dat]]
108		-
109		-TPS74401-EP == 3.0-A ULTRA-LDO WITH PROGRAMMABLE SOFT-START
110		-
111		-TPS7A89 == Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator
112		-
113		-MC7800, MC7800A, MC7800AE, NCV7800 == Voltage Regulators – Positive 1.0 A
114		-
115		-
116		-LM109,LM309 == LM109/LM309 5-Volt Regulator
117		-
118		-
119		-
120		-
121		-## ref
122		-
123		-- [[DC-dat]]
124		-
125		-- [[LDO]]
126		-
127		-- [[silergy]]
128		-
129		-- [[PCB-design]]
...	...	\ No newline at end of file

...	...	@@ -0,0 +1,10 @@
	1	+
	2	+# LDO-2CH-dat
	3	+
	4	+- [[XC6206-dat]]
	5	+
	6	+
	7	+
	8	+## ref
	9	+
	10	+- [[LDO-2CH]]
...	...	\ No newline at end of file

...	...	@@ -0,0 +1,8 @@
	1	+
	2	+# LDO-3CH-dat
	3	+
	4	+
	5	+## seperated options
	6	+
	7	+- [[SY8089-dat]] - [[silergy-dat]]
	8	+

...	...	@@ -0,0 +1,134 @@
	1	+
	2	+# LDO-dat
	3	+
	4	+- [[microne-dat]] - [[silergy-dat]] - [[ti-power-dat]]
	5	+
	6	+- [[LDO]]
	7	+
	8	+- [[LDO-2CH-dat]]
	9	+
	10	+- [[LDO-3CH-dat]]
	11	+
	12	+## comparable table
	13	+
	14	+\| chip \| package \| VIN \|
	15	+\| ----------------- \| ------- \| --- \|
	16	+\| [[AMS1117-dat]] \| SOT-89 \| \|
	17	+\| 6211 \| \| \|
	18	+\| SPX3819 \| \| \|
	19	+\| RT9013 / RT9193 \| \| \|
	20	+\| SGM2028 / SGM2019 \| \| \|
	21	+\| MIC5219 \| \| \|
	22	+\| XC6219 \| \| \|
	23	+\| LP2985 \| \| \|
	24	+
	25	+- [[LM317-dat]]
	26	+
	27	+CE6260 == 500mA CMOS LDO Regulator, Low Dropout Voltage, Dropout Voltage: 120mV@100mA（3.0V Typ.）, ~200–300mV @ 250mA
	28	+
	29	+[SGM2036 == SGM2036, 300mA, Low Power, and Low Dropout RF Linear Regulator](https://www.sg-micro.com/rect/assets/efa85993-263c-41aa-9274-b488f59f85d5/SGM2036.pdf)
	30	+
	31	+[HM6245 ==1A Low Power LDO, Low voltage drop: 0.06V@100mA](https://dfimg.dfrobot.com/5d57611a3416442fa39bffca/wiki/6f630301d84caf0e92266e3c5cf11edc.PDF)
	32	+
	33	+SC622K == 500mA Low Dropout Regulator, Low voltage drop: 0.1V@100mA
	34	+
	35	+
	36	+SOT23-3
	37	+
	38	+- [[me6206-dat]] - [[microne-dat]]
	39	+
	40	+
	41	+
	42	+
	43	+
	44	+### SOT23-5
	45	+
	46	+
	47	+SOT23-5
	48	+
	49	+- [[ME6211-dat]]
	50	+
	51	+\| mode \| volt \| current \| 1 \| 2 \| 3 \| 4 \| 5 \|
	52	+\| ------ \| ----- \| ------- \| --- \| --- \| --- \| --- \| ---- \|
	53	+\| XC6204 \| 2-10V \| 150ma \| VIN \| VSS \| CE \| NC \| Vout \|
	54	+\| ME6214 \| 2-18V \| 300ma \| VIN \| VSS \| CE \| NC \| Vout \|
	55	+
	56	+
	57	+
	58	+
	59	+## pins
	60	+
	61	+\| mode \| footprint \| 1 \| 2 \| 3 \|
	62	+\| --------------- \| --------- \| --- \| ---- \| ---- \|
	63	+\| [[AMS1117-dat]] \| SOT-89 \| GND \| VOUT \| VIN \|
	64	+\| [[HT7333-dat]] \| SOT-89 \| GND \| VIN \| VOUT \|
	65	+
	66	+## 9742
	67	+
	68	+![](2024-01-18-18-11-53.png)
	69	+
	70	+
	71	+
	72	+
	73	+## SGM2036
	74	+
	75	+- VGPS = 2.8V
	76	+
	77	+![](2024-07-10-13-00-29.png)
	78	+
	79	+
	80	+
	81	+## large current
	82	+
	83	+- [[LM7805-dat]] - [[TI-power-dat]] - [[LM317-dat]]
	84	+
	85	+
	86	+[LD1086DT33TR](https://www.mouser.com/ProductDetail/STMicroelectronics/LD1086DT33TR?qs=ZqrNm9%252BX9x495avHxGunSw%3D%3D&srsltid=AfmBOoo8TbJZVeh8Kv_urL5uG9JMlbgNaeSaF4P_AzeEG9Svc2ydWkUq) == LDO Voltage Regulators 3.3V 1.5A Positive
	87	+
	88	+
	89	+
	90	+## LDO array
	91	+
	92	+![](2025-08-09-17-21-03.png)
	93	+
	94	+
	95	+## others
	96	+
	97	+
	98	+
	99	+MC7824BD2TG == Linear Voltage Regulators 24V 1A Positive
	100	+
	101	+Nisshinbo Micro Devices Inc. NJM78L05UA-TE2 == Fixed Positive Standard Regulator, 5VBIPolar, PSSO3, MINI, PLASTIC, SOT-89, 3 PIN
	102	+
	103	+MIC5365 == High Performance Single 150mA LDO
	104	+
	105	+MIC5528 == Single High Performance 500mA LDO w/ Auto Discharge & Internal Enable Pulldown
	106	+
	107	+TPS == - [[TI-power-dat]]
	108	+
	109	+TPS74401-EP == 3.0-A ULTRA-LDO WITH PROGRAMMABLE SOFT-START
	110	+
	111	+TPS7A89 == Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator
	112	+
	113	+MC7800, MC7800A, MC7800AE, NCV7800 == Voltage Regulators – Positive 1.0 A
	114	+
	115	+
	116	+LM109,LM309 == LM109/LM309 5-Volt Regulator
	117	+
	118	+- [[analog-device-dat]] - LT1763 Series - 500mA, Low Noise, LDO Micropower Regulators
	119	+
	120	+
	121	+## maker
	122	+
	123	+- [[maxlinear-dat]]
	124	+
	125	+
	126	+## ref
	127	+
	128	+- [[DC-dat]]
	129	+
	130	+- [[LDO]]
	131	+
	132	+- [[silergy]]
	133	+
	134	+- [[PCB-design]]
...	...	\ No newline at end of file

...	...	@@ -7,7 +7,9 @@
7	7
8	8	- [[battery-drainer-dat]] - [[acdc-dat]] - [[power-sensor-dat]]
9	9
10		-- [[DC-dat]] - [[dcdc-dat]] - [[dcdc-down-dat]] - [[dcdc-boost-dat]] - [[LDO-dat]]
	10	+- [[DC-dat]] - [[dcdc-dat]] - [[dcdc-down-dat]] - [[dcdc-boost-dat]]
	11	+
	12	+- [[LDO-dat]]
11	13
12	14	- [[low-power-dat]]
13	15
...	...	@@ -27,6 +29,7 @@
27	29
28	30	- [[Power-distribution-dat]]
29	31
	32	+- [[supervisory-dat]]
30	33
31	34	## workflow
32	35
...	...	@@ -90,6 +93,10 @@ An Integrated PDB is a circuit board built **into a drone’s flight control
90	93	AP22652/AP22653/AP22652A/AP22653A - PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES
91	94
92	95
	96	+## Sink and Source DDR Termination Regulator
	97	+
	98	+
	99	+- [[ti-power-dat]] == TPS51200DRC - TPS51200 Sink and Source DDR Termination Regulator - The TPS51200 device is a sink and source double data rate (DDR) termination regulator specifically designed for low input voltage, low-cost, low-noise systems where space is a key consideration.
93	100
94	101
95	102	## ref

...	...	@@ -0,0 +1,9 @@
	1	+
	2	+
	3	+# supervisory-dat
	4	+
	5	+STM811TW16F
	6	+
	7	+The STM809/810/811/812 MICROPROCESSOR RESET Circuits are low-power supervisory devices used to monitor power supplies.
	8	+
	9	+They perform a single function: asserting a reset signal whenever the VCC supply voltage drops below a preset value and keeping it asserted until VCC has risen above the preset...
...	...	\ No newline at end of file