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AP2127K-ADJTRG1
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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+44@@ -0,0 +1,44 @@+# AP2127K-ADJTRG1++**Diodes Incorporated** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++AP2127K-ADJTRG1 from Diodes Incorporated, 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 | Power input. Recommended operating range 2.5V to 6V (absolute max 6.5V). Bypass to GND with a 1µF low-ESR ceramic capacitor close to the pin. |+| 2 | GND | power_in | Device ground reference. Provides the return path for the regulator and the reference/feedback network. |+| 3 | Shutdown | input | Active-low enable / shutdown input. Drive above V_SHUTDOWN(H) = 1.5V (min) to enable the regulator; drive below V_SHUTDOWN(L) = 0.5V (max) to disable. In shutdown, standby current drops to ~0.1µA and V_OUT is discharged through a ~60Ω MOSFET. Internal pull-down is ~3MΩ. |+| 4 | ADJ | input | Adjustable output feedback input. Connect the tap of an external resistor divider from VOUT to GND; V_OUT = 0.8V × (1 + R1/R2). Internal reference V_REF = 0.8V (0.784-0.816V). On fixed-voltage variants this pin is NC. |+| 5 | VOUT | power_out | Regulated power output. Adjustable 0.8V to 5.5V, 300mA typical (400mA typ current limit, ~50mA short-circuit limit). Requires a 1µF low-ESR ceramic output capacitor for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `AP2127K-ADJTRG1`++## CAD (KiCad official)++- Symbol: `AP2127K-ADJTRG1`+- 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 datasheet](https://www.diodes.com/assets/Datasheets/AP2127K-ADJTRG1.pdf) (24 pp, sha256 `d48c96ac985d348a`, 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/ap2127k-adjtrg1-datasheet.pdf)
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