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IRS44273LTR

UMW · Gate Drivers · SOT-23-5

IRS44273LTR from UMW, in a SOT-23-5. 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 IN input Logic input of the non-inverting gate driver, a CMOS Schmitt-trigger input compatible with CMOS or TTL logic levels down to 3.3 V.
2 COM power_in Ground reference pin; all signals are referenced to this pin.
3 OUT output Gate drive output with 2 A peak source and sink drive current; OUT voltage absolute range is -0.3 V to VCC+0.3 V relative to COM.
4 OUT output Gate drive output (second OUT pin) with 2 A peak source and sink drive current, sharing the same OUT rating as pin 3.
5 VCC power_in Bias supply input; the Features list gives a 5 V to 25 V single-supply range, while the Section 8 recommended maximum is 20 V.

Key specifications

Parameter Value
Manufacturer UMW
Package SOT-23-5
Category Motor Driver ICs
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage range VCC 5 20 V 4
OUT voltage range VO 0 V 4
IN voltage VIN -10 V 4
ambient temperature TA -40 125 °C 4
Supply voltage range VCC -0.3 25 V 4
OUT voltage range VO -0.3 V 4
IN voltage VIN -12 25 V 4
Thermal Resistance RthJA 151 °C/W 4
Storage Temperature TS -55 150 °C 4
Operating Junction Temperature TJ 150 °C 4
Lead Temperature TL 300 °C 4

CAD (KiCad official)

  • Symbol: IRS44273LTR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: irs44273ltr-etched.step / irs44273ltr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); irs44273ltr.step / irs44273ltr.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (10 pp, sha256 aabe8a21f01b3818, retrieved 2026-10-16, 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