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BL9110-330BPFB
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BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+60@@ -0,0 +1,60 @@+# BL9110-330BPFB++**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223++BL9110-330BPFB from BL Shanghai Belling, in a SOT-223. 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 | GND | power_in | Ground / device return. Reference for the internal bandgap, error amplifier and output pass FET; must be the low-impedance return for both input and output decoupling capacitors. |+| 2 | VOUT | power_out | Regulated 3.3V output pin, up to 1A load current. Requires a ≥2.2uF ceramic output capacitor to GND for stability; internal ~50Ω discharge resistor pulls VOUT down when the regulator is disabled. |+| 3 | VDD | power_in | Unregulated supply input, 2.5V to 6V absolute range (VOUT+VDROP minimum for regulation). Bypass with ≥2.2uF ceramic capacitor to GND close to the pin; also serves as the tab connection on SOT-223-3. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-223 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `BL9110-330BPFBFB`+- `BL9110-330BPFBFA`+- `BL9110-330BPFBFC`+- `BL9110-330BPFBFD`+- `BL9110-330BPFBAA`+- `BL9110-330BPFBBA`+- `BL9110-330BPFBBB`+- `BL9110-330BPFBCA`+- `BL9110-330BPFBDA`+- `BL9110-330BPFBEA`+- `BL9110-330BPFBEB`+- `BL9110-330BPFBGA`+- `BL9110-330BPFBGB`+- `BL9110-330BPFBGC`+- `BL9110-330BPFBHA`+- `BL9110-330BPFBIA`+- `BL9110-330BPFBIB`+- `BL9110-330BPFBIC`+- `BL9110-330BPFBJA`++## CAD (KiCad official)++- Symbol: `BL9110-330BPFB`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl9110-330bpfb-datasheet.pdf) (30 pp, sha256 `b94966cd4c52e86b`, 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/bl9110-330bpfb-datasheet.pdf)
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