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SSP7985P30PR

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Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SSP7985P30PR

Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

SSP7985P30PR from Shanghai Siproin Microelectronics, in a SOT-89. 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 GND power_in Ground reference for the regulator, connected to the bottom of the R1 feedback divider and the error amplifier reference.
2 VIN power_in Input supply pin, operating range 5V to 60V (absolute maximum 80V relative to GND).
3 VOUT power_out Regulated 3.0V output (SSP7985P30), up to 150mA with 250mA current limit and ±2% accuracy, with 10µF output capacitor specified.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-89
Category Power Management (PMIC)
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
VIN Pin to GND Pin VIN -0.3 80 V 4
VOUT Pin to GND Pin VOUT -0.3 6 V 4
VOUT Pin to VIN Pin VOUT-VIN -35 0.3 V 4
Operating Ambient Temperature -40 85 ℃ 4
Storage Temperature -40 150 ℃ 4
Junction temperature, operating 150 ℃ 4
Current Peak output 250 mA 4
Power Dissipation SOT89-3 600 mW SOT89-3 package 4
Electrostatic discharge, Human Body Model (HBM) 4 kV Human Body Model 4
Electrostatic discharge, Charged Device Model (labelled MM in datasheet) 100 V Charged Device Model as printed (label reads MM) 4
Input Voltage VIN 5 60 V 5
Output voltage accuracy (tolerance) -2 2 % Printed as tolerance ±2% in Features 1
Output Voltage (SSP7985P30, VOUTNOM = 3.0V) VOUT 3 V Vin=12V, Iout=10mA; printed MIN/MAX are VOUTNOM0.98 and VOUTNOM1.02 (not numeric in datasheet) 5
Quiescent Current IGND 2 μA VIN=12V, No load 5
Output Current IOUT_MAX 150 mA 5
Dropout Voltage(1) VDROP 70 mV IOUT=10mA, VIN=VOUTNOM-0.1V 5
Dropout Voltage(1) VDROP 700 mV IOUT=100mA, VIN=VOUTNOM-0.1V 5
Load Regulation ΔVOUT 0.02 mV VIN=12V, 1mA≤IOUT≤100mA 5
Line Regulation 0.01 %/V IOUT=1mA, VOUTNOM+0.5V≤VIN≤60V 5
Current Limit ILIMIT 250 mA 5
Thermal Shutdown Temperature (shutdown, temperature increasing) TSHDN 150 ℃ Shutdown, temperature increasing 5
Thermal Shutdown Temperature (reset, temperature decreasing) TSHDN 140 ℃ Reset, temperature decreasing 5
Power Supply Rejection Ratio PSRR 70 dB Vin=12V, Iout=10mA, F=1Khz, Vout=3.3V 5
Thermal Resistance (Junction to Ambient) SOT89-3 180 ℃/W Junction to Ambient, SOT89-3 4

CAD (KiCad official)

  • Symbol: SSP7985P30PR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: ssp7985p30pr-etched.step / ssp7985p30pr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ssp7985p30pr.step / ssp7985p30pr.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (8 pp, sha256 c866dc4eb470cce4, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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