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AP2125K-3.3TRG1
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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# AP2125K-3.3TRG1++**Diodes Incorporated AP2125K 3 3TRG1** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++AP2125K-3.3TRG1 from Diodes Incorporated AP2125K 3 3TRG1, in a SOT-23-5. 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 | VIN | power_in | Input voltage supply pin. Operating range VOUT+0.5V to 6V (abs max 6.5V). Bypass locally with 1µF ceramic capacitor to GND. |+| 2 | GND | power_in | Ground reference for the regulator. Common return for input, output, and enable signals. |+| 3 | CE | input | Active-high chip enable input. Logic high (VCE ≥ 1.5V) enables the regulator; logic low (VCE ≤ 0.4V) forces shutdown (standby current 0.01µA typ). Absolute limits: -0.3V to VIN+0.3V. Do not leave floating. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to GND for mechanical robustness. |+| 5 | VOUT | power_out | Regulated 3.3V output (±2% accuracy, 3.234V-3.366V). Delivers up to 300mA (min); requires a 1µF ceramic output capacitor for stability. Dropout typ 65mV at 100mA, 200mV at 300mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated AP2125K 3 3TRG1 |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `AP2125K-3.3TRG1K-1.8TRG1`+- `AP2125K-3.3TRG1K-2.5TRG1`+- `AP2125K-3.3TRG1K-2.8TRG1`+- `AP2125K-3.3TRG1K-3.0TRG1`+- `AP2125K-3.3TRG1`+- `AP2125K-3.3TRG1K-4.15TRG1`+- `AP2125K-3.3TRG1K-4.2TRG1`+- `AP2125K-3.3TRG1KS-1.8TRG1`+- `AP2125K-3.3TRG1KS-2.5TRG1`+- `AP2125K-3.3TRG1KS-2.8TRG1`+- `AP2125K-3.3TRG1KS-3.0TRG1`+- `AP2125K-3.3TRG1KS-3.3TRG1`+- `AP2125K-3.3TRG1KS-4.2TRG1`+- `AP2125K-3.3TRG1N-1.8TRG1`+- `AP2125K-3.3TRG1N-2.5TRG1`+- `AP2125K-3.3TRG1N-2.8TRG1`+- `AP2125K-3.3TRG1N-3.0TRG1`+- `AP2125K-3.3TRG1N-3.3TRG1`+- `AP2125K-3.3TRG1N-4.2TRG1`++## CAD (KiCad official)++- Symbol: `AP2125K-3.3TRG1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated AP2125K 3 3TRG1 datasheet](https://www.diodes.com/assets/Datasheets/AP2125K-3.3TRG1.pdf) (25 pp, sha256 `73dd4f47f543db12`, 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/ap2125k-3-3trg1-datasheet.pdf)
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