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Contents

README

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MD7680E50PA1

Shanghai Mingda Microelectronics · Linear Voltage Regulators (LDO) · SOT-89-3L

MD7680E50PA1 from Shanghai Mingda Microelectronics, in a SOT-89-3L. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VOUT power_out Regulated output voltage pin (5.0V fixed for MD7680E50, up to 150mA, requires 2.2uF or larger output capacitor).
2 GND power_in Ground.
3 VIN power_in Power input pin, 2.2V to 60V operating input range (absolute maximum 65V), with 2.2uF or larger input capacitor.

Key specifications

Parameter Value
Manufacturer Shanghai Mingda Microelectronics
Package SOT-89-3L
Category Power Supply Chip
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage VOUT(S) 0.98 1 1.02 xVOUT(S) VIN=VOUT(S)+2V, IOUT=1mA 3
Dropout Voltage VDROP 8 16 mV VEN=VIN, VOUT(S)=5.0V, IOUT=1mA 3
Dropout Voltage VDROP 1300 1800 mV VEN=VIN, VOUT(S)=5.0V, IOUT=150mA 3
Line Regulation 0.01 0.02 %/V VOUT(S)+2V<=VIN<=60V, IOUT=1mA 3
Load Regulation VOUT2 20 40 mV VIN=VOUT(S)+2V, 1mA<=IOUT<=150mA, VOUT(S)<=5.3V 3
Temperature Stability -40 40 ppm/°C VIN=VOUT(S)+2V, IOUT=10mA, -40°C<=Ta<=125°C 3
GND Current IGND 1 2.3 3 uA VEN=VIN, no load, 3.0<=VOUT(S)<=5.3V 3
GND Current IGND 1100 uA VEN=VIN, IOUT=100mA 3
Shutdown Current ISHUT 0.1 1 uA VIN=60V, VEN=0 3
Input Voltage VIN 2.2 60 V 3
EN High Level Voltage VENH 1.5 60 V 3
EN Low Level Voltage VENL 0 0.6 V 3
EN High Level Current IENH -0.1 0.1 uA VIN=60V, VEN=VIN 3
EN Low Level Current IENL -0.1 0.1 uA VIN=60V, VEN=0 3
Maximum Output Current IOUTMAX 150 mA 3
Current Limit ILIM 240 mA VEN=VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S) 3
Short Circuit Current ISHORT 10 mA VIN=VEN=VOUT(S)+2.0V, VOUT=0V 3
Power Supply Rejection Ratio PSRR 76 dB f=10Hz, IOUT=10mA 3
Power Supply Rejection Ratio PSRR 80 dB f=100Hz, IOUT=10mA 3
Power Supply Rejection Ratio PSRR 63 dB f=1kHz, IOUT=10mA 3
Over Temperature Protection OTP 165 °C IOUT=1mA 3
Input Voltage (absolute maximum) VIN -0.3 65 V Ta=25°C 2
Power Dissipation PD 1000 mW SOT89-3 2
Operating Ambient Temperature Topr -40 85 °C 2
Storage Temperature Tstg -40 125 °C 2
ESD Protection ESD 7000 V HBM 2
Thermal Resistance RθJA 100 °C/W SOT89-3 2

CAD (KiCad official)

  • Symbol: MD7680E50PA1
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: md7680e50pa1-etched.step / md7680e50pa1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); md7680e50pa1.step / md7680e50pa1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Shanghai Mingda Microelectronics datasheet (9 pp, sha256 7555f9abc3780b54, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF