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Contents

README

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TL432ASF

HTC Korea TAEJIN Tech · Voltage Reference · SOT-23

TL432ASF from HTC Korea TAEJIN Tech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 REF input Reference input. The internal error amplifier compares this pin against the 1.24V internal bandgap; when driven above 1.24V the cathode sinks current to regulate. Typical reference input current 0.25uA.
2 A power_in Anode. Ground return for the shunt regulator; cathode current flows out of this pin to the negative supply.
3 K power_in Cathode. Input supply / regulated node; sinks 0.1mA to 100mA to hold VKA = VREF (or a programmed multiple set by an external divider). Max VKA = 20V (absolute), 18V recommended.

Key specifications

Parameter Value
Manufacturer HTC Korea TAEJIN Tech
Package SOT-23
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • TL432ASF
  • TL432ASFCSF
  • TL432ASFGCSF
  • TL432ASFGASF
  • TL432ASFTA
  • TL432ASFCTA
  • TL432ASFATA

CAD (KiCad official)

  • Symbol: TL432ASF
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HTC Korea TAEJIN Tech datasheet (7 pp, sha256 9e18c41a9344a9ee, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF