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PJ78D05TE

PJSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

PJ78D05TE from PJSEMI, in a TO-252. 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 VIN power_in Unregulated input voltage pin, rated up to 35V maximum, with a 0.33 µF input capacitor shown in the typical application circuit.
2 GND power_in Ground reference pin common to input and output, shared with the tab-side return in the typical application circuit.
3 VOUT power_out Regulated 5V output (PJ78D05TE, 4.8V to 5.2V at 25°C) delivering up to 1A, with a 0.1 µF output capacitor shown in the typical application circuit.

Key specifications

Parameter Value
Manufacturer PJSEMI
Package TO-252
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 VO 4.8 5 5.2 V TJ=25°C 3
Output Voltage VO 4.75 5 5.25 V IO=5mA to 1A, VI=8V to 20V, PD<15W 3
Line Regulation △VO 100 mV VI=7.5V to 25V,TJ=25°C 3
Line Regulation △VO 50 mV VI=8V to 12V,TJ=25°C 3
Load Regulation △VO 100 mV IO=5mA to 1A,TJ=25°C 3
Load Regulation △VO 50 mV IO=250mA to 750mA,TJ=25°C 3
Ripple Rejection RR 62 73 dB VI=8V to 18V, f=120Hz 3
Quiescent Current IQ 8 mA TJ=25°C 3
Quiescent Current Change △IQ 0.8 mA VI=8V to 25V 3
Quiescent Current Change △IQ 0.5 mA IO=5mA to 1A 3
Dropout Voltage VD 2 V IO=1A,TJ=25°C 3
Temperature coefficient of VO △VO/△T 0.8 mV/°C IO=5mA 3
Output Noise Voltage VN 42 μV 10Hz≤f≤100kHz,TA=25°C 3
Input Voltage VI 35 V Ratings at 25℃ ambient 2
Output Current IO 1 A Ratings at 25℃ ambient 2
Maximum Power Dissipation PD 1.5 W Ratings at 25℃ ambient 2
Operating Temperature Range TOPR -40 125 °C Ratings at 25℃ ambient 2
Storage Temperature Range TSTG -65 150 °C Ratings at 25℃ ambient 2

CAD (KiCad official)

  • Symbol: PJ78D05TE
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: pj78d05te-etched.step / pj78d05te-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pj78d05te.step / pj78d05te.glb are the bare package body.

Provenance

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

  • Datasheet: PJSEMI datasheet (10 pp, sha256 5e63901e743e630b, retrieved 2026-10-26, 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