AP1501-5.0

@@ -0,0 +1,44 @@+# AP1501-5.0++**UMW** · DC-DC Converters · TO-263-5++AP1501-5.0 from UMW, in a TO-263-5. 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 | Positive input supply for the IC switching regulator, 4.5V to 40V operating (45V absolute max). A suitable input bypass capacitor must be present at this pin to minimize voltage transients and to supply switching currents. |+| 2 | Output | output | Internal switch node. Voltage at this pin switches between (+VIN - VSAT) and approximately -0.5V, with a duty cycle of approximately VOUT/VIN. Connects to the external catch diode and inductor. PCB copper area on this node should be kept to a minimum to reduce coupling to sensitive circuitry. |+| 3 | GND | power_in | Circuit ground reference for the regulator. |+| 4 | Feedback | input | Output voltage feedback input. Senses the regulated output voltage to complete the feedback loop. For fixed-output versions (like AP1501-5.0) it connects directly to VOUT. Absolute max -0.3V to +40V; typical bias current 10nA. |+| 5 | ON/OFF | input | Logic-level shutdown input, active-high (regulator OFF when pulled above ~1.3V, up to 25V max applied; ON when pulled below threshold or left floating). Pulling low drops input supply current to ~80µA standby. Absolute max -0.3V to +40V. If unused, may be tied to GND or left open - regulator remains ON. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW |+| Package | TO-263-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `AP1501-5.0`++## CAD (KiCad official)++- Symbol: `AP1501-5.0`+- Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6`+- 3D model: TO-263-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UMW datasheet](docs/ap1501-5-0-datasheet.pdf) (28 pp, sha256 `d716270a9a304615`, retrieved 2026-08-17, tier: lcsc)+- **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/ap1501-5-0-datasheet.pdf)

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