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4A2D
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Shenzhen Fuman 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+45@@ -0,0 +1,45 @@+# 4A2D++**Shenzhen Fuman** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++4A2D from Shenzhen Fuman, 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 | Voltage input. Operating range 2.0V to 6.0V. Bypass with a 1uF ceramic capacitor (CIN) to GND close to the pin. |+| 2 | GND | power_in | Ground reference for the regulator. Common return for input and output capacitors. |+| 3 | CE | input | Chip Enable. Drive high (VCEH >= 1.0V) to enable regulator; drive low (VCEL <= 0.7V) to shut down (shutdown current ~0.1uA typ). Do not leave floating. |+| 4 | NC | unconnected | No connect. Leave floating (typical application shows this pin unconnected). |+| 5 | VOUT | power_out | Regulated voltage output. Factory-set to 3.3V (±2%) for the 4A2D variant. Requires a 1uF ceramic output capacitor (CL) to GND. Max output current 500mA; short-circuit current ~150mA typ. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shenzhen Fuman |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `4A2D`++## CAD (KiCad official)++- Symbol: `4A2D`+- 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:** [Shenzhen Fuman datasheet](docs/4a2d-datasheet.pdf) (9 pp, sha256 `2347c805ea8a986b`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/4a2d-datasheet.pdf)
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