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AZ1117CH-3.3TRG1
Public Made by Adomby adom
Diodes 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+48@@ -0,0 +1,48 @@+# AZ1117CH-3.3TRG1++**Diodes** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223++AZ1117CH-3.3TRG1 from Diodes, 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 reference for the regulator. Also acts as the ADJ pin on the adjustable version (AZ1117C-ADJ); for the -3.3V fixed variant this pin is tied internally to set the 3.3V output and is connected to system ground. |+| 2 | OUTPUT | power_out | Regulated 3.3V output (±1%). Requires a minimum 10µF low-ESR ceramic output capacitor (ESR < 20Ω) for stability. Supports up to 1.35A typical current limit with on-chip thermal shutdown at TJ ≈ +160°C. |+| 3 | INPUT | power_in | Unregulated input supply. Absolute maximum 18V; recommended operating maximum 15V. Dropout voltage is 1.2V typical (SOT223) at IOUT = 0.8A. A 10µF input capacitor is recommended. |+| 4 | VOUT (TAB) | power_out | Metal tab electrically connected to OUTPUT (pin 2). Provides the primary thermal path to the PCB copper pour; solder to the OUTPUT net and to a copper heatsink area to reduce θJA (SOT223 θJA = 125°C/W without heatsink, 100°C/W with heatsink). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes |+| Package | SOT-223 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `AZ1117CH-3.3TRG1H`+- `AZ1117CH-3.3TRG1H2`+- `AZ1117CH-3.3TRG1R`+- `AZ1117CH-3.3TRG1R2`+- `AZ1117CH-3.3TRG1TR`+- `AZ1117CH-3.3TRG1CJ`++## CAD (KiCad official)++- Symbol: `AZ1117CH-3.3TRG1`+- 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:** [Diodes datasheet](https://www.diodes.com/assets/Datasheets/AZ1117CH-3.3TRG1.pdf) (24 pp, sha256 `8333717aa7b5f90f`, retrieved 2026-08-17, tier: manufacturer)+- **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/az1117ch-3-3trg1-datasheet.pdf)
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