component
AP2138N-2.5TRG1
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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# AP2138N-2.5TRG1++**Diodes Incorporated AP2138N 2 5TRG1** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3++AP2138N-2.5TRG1 from Diodes Incorporated AP2138N 2 5TRG1, in a SOT-23-3. 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. |+| 2 | VOUT | power_out | Regulated output voltage, fixed 2.5V ±2% (1.5% typ). Supplies up to 250mA. Requires a >1µF ceramic output capacitor (ESR 0.01Ω-100Ω) for stability. |+| 3 | VIN | power_in | Input supply voltage, 2.5V to 6.0V recommended (6.6V absolute max). Requires a 1µF ceramic input capacitor. Dropout ~700mV at 100mA load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated AP2138N 2 5TRG1 |+| Package | SOT-23-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AP2138N-2.5TRG1`+- `AP2138N-2.5TRG1AP2138R-2.5TRG1`+- `AP2138N-2.5TRG1AP2138RA-2.5TRG1`+- `AP2138N-2.5TRG1AP2139AK-2.5TRG1`++## CAD (KiCad official)++- Symbol: `AP2138N-2.5TRG1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated AP2138N 2 5TRG1 datasheet](https://www.diodes.com/assets/Datasheets/AP2138N-2.5TRG1.pdf) (29 pp, sha256 `027e80492a5bc199`, 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](docs/ap2138n-2-5trg1-datasheet.pdf)
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