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H7333-A
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Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# H7333-A++**Shanghai Siproin Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++H7333-A from Shanghai Siproin Microelectronics, in a SOT-89-3. 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 / common return for the regulator. Connect to the system single-point ground; the input and output decoupling capacitor (10µF typ.) returns tie here. |+| 2 | VIN | power_in | Unregulated supply input. Operating range typically VOUT+1V (dropout ~100mV at 40mA) up to 15V recommended (18V absolute max). Requires a ~10µF input capacitor (C1) referenced to GND. For SOT-89 the center pin is the tab / thermal pad. |+| 3 | VOUT | power_out | Regulated 3.3V ±2% output, capable of sourcing up to 250mA (derated at higher VIN: ~150mA at 12V, ~100mA at 15V per Fig. 5). Requires a ~10µF output capacitor (C2) to GND for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shanghai Siproin Microelectronics |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `H7333-AT`+- `H7333-AP`+- `H7333-AN`+- `H7333-AM`++## CAD (KiCad official)++- Symbol: `H7333-A`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Shanghai Siproin Microelectronics datasheet](docs/h7333-a-datasheet.pdf) (14 pp, sha256 `792fed91578d2bec`, 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/h7333-a-datasheet.pdf)
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