component
AP2127K-1.8TRG1
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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-1.8TRG1++**Diodes Incorporated AP2127K 1 8TRG1** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++AP2127K-1.8TRG1 from Diodes Incorporated AP2127K 1 8TRG1, 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 | Regulator power input. Operating range 2.5V to 6V (absolute max 6.5V). Bypass with a 1uF low-ESR ceramic capacitor to GND close to the pin. |+| 2 | GND | power_in | Device ground reference. Return for input, output, and shutdown pins. |+| 3 | Shutdown | input | Active-low enable/shutdown input. Drive >=1.5V to enable the regulator; drive <=0.5V to place the device in shutdown mode (standby current 0.1uA typ). Internally pulled down through ~3M-ohm; drive explicitly for reliable operation. |+| 4 | NC | unconnected | No Connection on fixed-voltage versions (this is the AP2127K-1.8, a 1.8V fixed variant). On adjustable versions the same pin is ADJ, the VOUT feedback input connected to a resistor divider. Leave floating on the 1.8V variant. |+| 5 | VOUT | power_out | Regulated 1.8V power output, up to 300mA continuous (400mA typical max). Requires a 1uF low-ESR ceramic capacitor to GND for stability. Auto-discharge MOSFET (RDS(ON) ~60 ohm) discharges output during shutdown. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated AP2127K 1 8TRG1 |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `AP2127K-1.8TRG1`++## CAD (KiCad official)++- Symbol: `AP2127K-1.8TRG1`+- 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 AP2127K 1 8TRG1 datasheet](https://www.diodes.com/assets/Datasheets/AP2127K-1.8TRG1.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-1-8trg1-datasheet.pdf)
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