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LTR3312T20YT3

Guestgood · Voltage Reference · SOT-23-3

LTR3312T20YT3 from Guestgood, 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 VIN power_in Power supply voltage input, 2.7 V to 5.5 V; the datasheet requires VIN of at least VOUT + 0.2 V, and a low-ESR 1 µF ceramic bypass capacitor is recommended at this pin.
2 GND power_in Ground reference for the device.
3 REF output Reference voltage output, sourcing and sinking ±5 mA, which requires an external capacitor of 0.1 µF to 10 µF (capacitive load range 0.1 to 10 µF).

Key specifications

Parameter Value
Manufacturer Guestgood
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
Supply input voltage VIN 5.5 V 2
Output current range ICC -5 5 mA 2
Input voltage range -0.3 5.5 V 2
Operating ambient temperature range -40 125 °C 2
Storage temperature range -50 125 °C 2
ESD protection 3000 V 2
Power supply voltage VIN 2.7 5 5.5 V 3
Power consumption ICC 300 500 µA VCC = 5.0 V, no load. 3
Output voltage accuracy ΔVOUT -0.1 0.1 % 3
Temperature coefficient TC 20 ppm/⁰C -40 to 125⁰C 3
Capacitive load 0.1 10 µF 3
Turn-on setting time 400 µs 3

CAD (KiCad official)

  • Symbol: LTR3312T20YT3
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ltr3312t20yt3-etched.step / ltr3312t20yt3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltr3312t20yt3.step / ltr3312t20yt3.glb are the bare package body.

Provenance

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

  • Datasheet: Guestgood datasheet (6 pp, sha256 24e1b1538e63cb5e, retrieved 2026-10-17, 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