component

PJ71K50SQ

Public Made by Adom

by adom

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

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PJ71K50SQ

PJSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

PJ71K50SQ from PJSEMI, in a SOT-89-3. 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 pin of the three-terminal regulator; the datasheet gives no electrical limit for this pin.
2 VIN power_in Regulator input pin; the datasheet rates the input voltage up to 24V and the absolute maximum supply voltage as -0.3V to 28V.
3 VOUT power_out Regulated output pin; for the PJ71K50SQ the output is 5.0V ±5% (4.75V to 5.25V) at IOUT=10mA, with output current of 30mA typical.

Key specifications

Parameter Value
Manufacturer PJSEMI
Package SOT-89-3
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
Output Voltage VOUT 4.75 5 5.25 V 7V IOUT=10mA 3
Output Current IOUT 20 30 mA 7V 3
Load Regulation 60 100 mV 7V 1mA≤IOUT≤30mA 3
Voltage Drop VD 100 mV IOUT=1mA 3
Current Consumption ISS 5 9 uA 7V No load 3
Line Regulation △VOUT/△VIN×VOUT 0.2 %/V 6V≤VIN≤24V IOUT=1mA 3
Input Voltage VIN 24 V 3
Temperature Coefficient of Output Voltage △VOUT/△Ta -0.75 0.75 mV/℃ 7V IOUT=10mA 0℃<Ta<70℃ 3
Output Voltage Tolerance -5 5 % 1
Supply Voltage (absolute maximum) VIN -0.3 28 V 2
Power Dissipation PD 200 mW 2
Operating Ambient Temperature TOPR 0 70 °C 2
Storage Temperature TSTG -65 125 °C 2

CAD (KiCad official)

  • Symbol: PJ71K50SQ
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: pj71k50sq-etched.step / pj71k50sq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pj71k50sq.step / pj71k50sq.glb are the bare package body.

Provenance

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

  • Datasheet: PJSEMI datasheet (7 pp, sha256 1bd1fa97ea64bc85, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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