SPX1117M3-L-3-3

@@ -0,0 +1,45 @@+# SPX1117M3-L-3-3++**MaxLinear** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3++SPX1117M3-L-3-3 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 | ADJ/GND | power_in | Ground pin for the fixed-voltage option (this SPX1117M3-L-3-3 is the 3.3V fixed version, so pin 1 is tied to system ground). On the adjustable variant this same pin functions as the ADJ feedback node with a typical adjust-pin current of approximately 50uA. |+| 2 | VOUT | power_out | Regulated 3.3V output pin, 3.267V to 3.333V typical (25 degC) and 3.234V to 3.366V over full operating range. Guaranteed 800mA continuous / 1A peak. Requires a >=2.2uF ceramic (or 10uF aluminum) output capacitor for stability; ESR should be <=0.5 ohm. The exposed TAB of the SOT-223 package is internally connected to VOUT. |+| 3 | VIN | power_in | Unregulated input supply, absolute maximum 20V. For the 3.3V fixed version, minimum input is VOUT+1.5V (approx 4.8V) for full spec; typical operating range is 4.8V to 10V. Bypass with a 4.7uF input capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | SOT-223-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `SPX1117M3-L-3-3`+- `SPX1117M3-L-3-3/TR`+- `SPX1117M3-L-3-3SPX1117T-L-3-3`+- `SPX1117M3-L-3-3SPX1117T-L-3-3/TR`++## CAD (KiCad official)++- Symbol: `SPX1117M3-L-3-3`+- 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-3-3-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-3-3-datasheet.pdf)

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