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BL9165-330BARN
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BL Shanghai Belling 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+46@@ -0,0 +1,46 @@+# BL9165-330BARN++**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++BL9165-330BARN from BL Shanghai Belling, 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 voltage. Operating range 1.8V to 5.5V (absolute max -0.3V to +6V). Bypass with a 1μF ceramic capacitor to GND close to the pin. |+| 2 | GND | power_in | Device ground reference and current return. Should be tied to the system ground plane. |+| 3 | EN | input | Chip Enable input, active high with internal pull-down resistor (suffix 'A'). VIH ≥ 1.2V enables the regulator; VIL ≤ 0.4V shuts it down. Absolute max range -0.3V to VIN. |+| 4 | NC | unconnected | No internal connection. May be left floating or tied to GND for mechanical support. |+| 5 | VOUT | power_out | Regulated output voltage (3.3V for -330 option, ±2% accuracy, up to 500mA). Requires only a 1μF ceramic output capacitor for stability; features fast output discharge on shutdown. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `BL9165-330BARN`+- `BL9165-330BARNURN`+- `BL9165-330BARNDRN`++## CAD (KiCad official)++- Symbol: `BL9165-330BARN`+- 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:** [BL Shanghai Belling datasheet](docs/bl9165-330barn-datasheet.pdf) (15 pp, sha256 `fa16b8d01534082c`, 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/bl9165-330barn-datasheet.pdf)
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