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SSP1117-ADJ
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Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# SSP1117-ADJ++**Shanghai Siproin Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223++SSP1117-ADJ from Shanghai Siproin Microelectronics, 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 | ADJ | input | Adjust pin. Feedback input for the internal 1.25V reference; connect the top of the external resistor divider (R2 to Vout, R1 to GND) so that Vout = 1.25 * (1 + R2/R1) + IAdj*R2. IAdj is typically ~50uA. A bypass capacitor to GND on this pin improves ripple rejection. |+| 2 | Vout | power_out | Regulated output voltage, up to 1.0A. For the ADJ version, output is programmable from 1.25V to 12V. Recommend a 10uF tantalum capacitor to GND for stability. |+| 3 | Vin | power_in | Unregulated input supply, up to 20V absolute maximum. Recommend a 10uF tantalum bypass capacitor to GND. Dropout voltage is 1.3V typical at 1A load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shanghai Siproin Microelectronics |+| Package | SOT-223 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `SSP1117-ADJ-SOT223`+- `SSP1117-ADJ-TO-252`++## CAD (KiCad official)++- Symbol: `SSP1117-ADJ`+- 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:** [Shanghai Siproin Microelectronics datasheet](docs/ssp1117-adj-datasheet.pdf) (9 pp, sha256 `4c5a7e0e0fbea4b3`, 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/ssp1117-adj-datasheet.pdf)
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