SPX1117M3-L-5-0

@@ -0,0 +1,48 @@+# SPX1117M3-L-5-0++**MaxLinear** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3++SPX1117M3-L-5-0 from MaxLinear, 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 reference for the regulator. On fixed-output variants (including the -5-0 5.0V option) this pin is the device ground; on adjustable variants the same pin functions as the ADJ feedback input (I_ADJ ≈ 50µA typ). For the SPX1117M3-L-5-0 tie directly to the system ground plane. |+| 2 | VOUT | power_out | Regulated 5.0V output (4.950V-5.050V typ at IOUT=5mA, VIN=6.5V). Requires a minimum 2.2µF ceramic (or 10µF tantalum/aluminum) output capacitor with ESR ≤0.5Ω for stability. Supplies up to 800mA guaranteed (1A peak), current-limited to 1.0-2.0A. |+| 3 | VIN | power_in | Unregulated input supply. For the 5.0V fixed option requires 6.4V ≤ VIN ≤ 12V over full load (absolute max 20V). Bypass with CIN=10µF recommended. |+| 4 | TAB | power_out | Heatsink tab, internally connected to VOUT. Solder to a copper pour tied to the VOUT net to conduct heat away from the die (θJA ≈ 46°C/W with adequate copper on FR-4). Do NOT connect to ground or any other net. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | SOT-223-3 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `SPX1117M3-L-5-0`+- `SPX1117M3-L-5-0/TR`+- `SPX1117M3-L-5-0SPX1117T-L`+- `SPX1117M3-L-5-0SPX1117T-L/TR`+- `SPX1117M3-L-5-0SPX1117T-L-3-3`+- `SPX1117M3-L-5-0SPX1117T-L-3-3/TR`++## CAD (KiCad official)++- Symbol: `SPX1117M3-L-5-0`+- 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:** [MaxLinear datasheet](docs/spx1117m3-l-5-0-datasheet.pdf) (11 pp, sha256 `d1c809a37deea7ec`, 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/spx1117m3-l-5-0-datasheet.pdf)

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