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P1690G

Public Made by Adom

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UTC(Unisonic Tech) DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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P1690G

UTC(Unisonic Tech) · DC-DC Converters · SOP-8

P1690G from UTC(Unisonic Tech), in a SOP-8. 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 Supply voltage input pin; input operation voltage 5V to 65V, absolute maximum VIN -0.3 to 70V.
2 SW power_out Power switch output pin; absolute maximum switch pin voltage -0.3 to VIN V.
3 FB input Feedback voltage pin; FB voltage 1.225V to 1.275V (1.25V typical), absolute maximum -0.3 to VIN V.
4 EN input Enable pin; high (regulator OFF) threshold 1.6V, low (regulator ON) threshold 0.8V, absolute maximum -0.3 to VIN V.
5 GND power_in Ground pin.
6 GND power_in Ground pin.
7 GND power_in Ground pin.
8 GND power_in Ground pin.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package SOP-8
Category Power Management ICs
Pins 8

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 -0.3 70 V 3
Feedback Pin Voltage VFB -0.3 V 3
EN Pin Voltage VEN -0.3 V 3
Output Switch Pin Voltage VSW -0.3 V 3
Operating Junction Temperature TJ -40 125 °C 3
Storage Temperature TSTG -65 150 °C 3
FB Voltage VFB 1.225 1.25 1.275 V VIN=36V65V, Iload=0.05A0.3A 3
Input Operation Voltage VIN 5 65 V 3
Shutdown Supply Current ISTBY 85 200 uA VEN=2V 3
Quiescent Supply Current Iq 2.5 5 mA VON/OFF=0V, VFB=VIN 3
Oscillator Frequency Fosc 120 150 180 KHz 3
Switch Current Limit IL 0.4 A VFB=0 3
EN Pin Threshold High (Regulator OFF) VEN 1.6 V 3
EN Pin Threshold Low (Regulator ON) VEN 0.8 V 3
EN Pin Input Leakage Current (OFF) IH 6 20 uA VEN=2.5V (OFF) 3
EN Pin Input Leakage Current (ON) IL 1 20 uA VEN=0.5V (ON) 3
Output Saturation Voltage VCE 0.85 V VFB=0V, IOUT=0.4A 3
Max. Duty Cycle DMAX 100 % VFB=0V 3
Efficiency η 88 % VIN=36V,VOUT=15V, IOUT=0.3A 3
Efficiency η 87 % VIN=48V, VOUT=15V, IOUT=0.4A 3
Efficiency η 83 % VIN=60V, VOUT=15V, IOUT=0.4A 3
Junction to Ambient, No Heatsink, Free Air θJA 60 °C/W No Heatsink, Free Air 3

CAD (KiCad official)

  • Symbol: P1690G
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: p1690g-etched.step / p1690g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p1690g.step / p1690g.glb are the bare package body.

Provenance

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

  • Datasheet: UTC(Unisonic Tech) datasheet (5 pp, sha256 5289aa808e7481f4, retrieved 2026-10-27, tier: manufacturer)
  • 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