AH1117CLTR50

@@ -0,0 +1,46 @@+# AH1117CLTR50++**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3++AH1117CLTR50 from BL Shanghai Belling, in a SOT-223-3. 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 pin. For the fixed-output AH1117CLTR50 variant this pin is the device ground reference. On the adjustable version this same pin becomes the ADJ feedback input (Vss/Adj). |+| 2 | VOUT | power_out | Regulated 5.0V output pin (Vout typ. 5.0V, min 4.9V, max 5.1V) capable of sourcing up to 1A. Requires a 10uF output capacitor for stability. Electrically connected to the SOT-223 heat-slug tab. |+| 3 | VIN | power_in | Unregulated supply input. Recommended operating input voltage up to 12V (absolute maximum 15V). A 10uF bypass capacitor from VIN to GND is recommended. |+| 4 | VOUT (Tab) | power_out | SOT-223 metal tab, electrically bonded to VOUT and used as the primary heat-dissipation path. Should be soldered to a copper pour tied to VOUT to reduce the ~20 °C/W package thermal resistance. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-223-3 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++Same part, different packaging or reel option.++- `AH1117CLTR50`+- `AH1117CLTR50COTR50`++## CAD (KiCad official)++- Symbol: `AH1117CLTR50`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/ah1117cltr50-datasheet.pdf) (8 pp, sha256 `0ee1c0c75939cf2d`, 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/ah1117cltr50-datasheet.pdf)

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