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AP2120N-1.8TRG1

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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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docs ap2120n-1-8trg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers ap2120n-1-8trg1: viewers · Ray
ap2120n-1-8trg1-etched.fit.json ap2120n-1-8trg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
ap2120n-1-8trg1-etched.glb ap2120n-1-8trg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
ap2120n-1-8trg1-etched.step ap2120n-1-8trg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
ap2120n-1-8trg1-hero.glb ap2120n-1-8trg1: hero from the plain model · Ray
ap2120n-1-8trg1-hero.overlay.json ap2120n-1-8trg1: hero from the plain model · Ray
ap2120n-1-8trg1.glb Publish 0.1.0 · Ray
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package.json Publish 0.1.2 · Ray
page.json Publish 0.1.2 · Ray
README.md ap2120n-1-8trg1: manufacturer 'Diodes Incorporated' (was 'Diodes Incorporated AP2120N 1 8TRG1': the MPN had been folded… · Ray

AP2120N-1.8TRG1

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

AP2120N-1.8TRG1 from Diodes Incorporated, 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 GND power_in Ground reference for the regulator. Connect directly to the system ground plane; this pin also serves as the reference return for the internal voltage reference and error amplifier.
2 VOUT power_out Regulated output voltage pin (1.8 V fixed for the -1.8 option). Delivers up to 150 mA continuous (250 mA current limit). Requires a minimum 1 μF output capacitor with ESR between 0.01 Ω and 100 Ω for stability; ceramic capacitors are recommended.
3 VIN power_in Unregulated input supply pin. Recommended operating range 2 V to 6 V (absolute max 6.5 V). A 1 μF input bypass capacitor is required close to the pin.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category PMIC
Pins 3

Ordering variants

  • AP2120N-1.8TRG1

CAD (KiCad official)

  • Symbol: AP2120N-1.8TRG1
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ap2120n-1-8trg1-etched.step / ap2120n-1-8trg1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap2120n-1-8trg1.step / ap2120n-1-8trg1.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (19 pp, sha256 66be4c8fbb47afd5, retrieved 2026-08-17, tier: manufacturer)
  • 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