component

PJ73HM33SC

Public Made by Adom

by adom

PJSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PJ73HM33SC

PJSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3

PJ73HM33SC from PJSEMI, in a SOT-23-3. 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 pin of the regulator.
2 VOUT power_out Regulated output voltage (3.3V for PJ73HM33SC), up to 500mA output current.
3 VIN power_in Power input voltage, recommended supply range 3V to 20V (absolute maximum 25V).

Key specifications

Parameter Value
Manufacturer PJSEMI
Package SOT-23-3
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
Input Voltage VIN 3 20 V VOUT=3.3V, TA=25℃ 6
Output Voltage Accuracy ∆VOUT -2 2 % VIN=VOUT+2V, IOUT=1mA 6
Output Current IOUT 500 mA Within PD(Max.) 6
Line Regulation ∆VLINE 6 mV VIN= 5~12V, IOUT=1mA 6
Load Regulation ∆VLOAD 20 mV VIN=12V, IOUT=1~100 mA 6
Supply Voltage 3 20 V 5
Operating Junction Temperature 0 125 °C 5
Operating Ambient Temperature -40 85 °C 5
Input Voltage -0.3 25 V 5
Output Voltage -0.3 6 V 5
Power Dissipation SOT-23-3 0.45 W SOT-23-3 5
Junction Temperature -40 125 °C 5
Storage Temperature Range -55 150 °C 5
Lead Temperature&Time 260 °C 10S 5
Human Body Mode ESD Level HBM 5.5 KV 5
Thermal Resistance, Junction-to-Ambient 220 °C/W SOT-23-3 5
Quiescent Current IQ 2 μA IOUT=0A 6
Dropout Voltage VDROP 140 mV VOUT= 3.3V, IOUT= 100mA, ΔVOUT=2% 6
Short Circuit/Start Carrying Current ISHORT 60 mA VOUT Short to GND with 1Ω 6
VOUT Temperature Coefficient ∆VOUT/(∆TA*VOUT) 90 ppm/°C IOUT=1mA, 0°C ≤ TA ≤ 120°C 6
Power Supply Rejection Rate PSRR 70 dB VIN=5VDC+0.5VP-P f=10KHz, IOUT=1mA 6
Thermal shutdown Protection (OTP) TSD 150 °C VIN=VOUT + 2 V, IOUT=20mA 6
OTP hysteresis TSD_HYS 20 °C VIN=VOUT + 2 V, IOUT=20mA 6

CAD (KiCad official)

  • Symbol: PJ73HM33SC
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: pj73hm33sc-etched.step / pj73hm33sc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pj73hm33sc.step / pj73hm33sc.glb are the bare package body.

Provenance

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

  • Datasheet: PJSEMI datasheet (13 pp, sha256 f9db79a996de996c, retrieved 2026-10-23, 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