SPX3819M5-L-5-0

@@ -0,0 +1,62 @@+# SPX3819M5-L-5-0++**MaxLinear** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++SPX3819M5-L-5-0 from MaxLinear, in a SOT-23-5. 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 | VIN | power_in | Supply input. Operating range 2.5V to 16V (absolute max 20V). Bypass to GND with a 1µF ceramic capacitor placed close to the pin. |+| 2 | GND | power_in | Device ground reference. Ground pin current is ~90µA at 100µA load, rising to ~6.5mA at 500mA load. |+| 3 | EN | input | Enable (input). CMOS-compatible control input. Logic high (VIH ≥ 2V) enables the regulator; logic low (VIL ≤ 0.4V) or open forces shutdown, dropping quiescent current to near zero. May be tied directly to VIN for always-on operation. Input current is typ 0.01µA (VIL) to 3µA (VIH). |+| 4 | BYP | passive | Reference bypass pin (fixed-output versions). Connect an optional 1nF-10nF (typ 10nF) ceramic capacitor from BYP to GND to reduce output noise to ~40µVRMS (10Hz-100kHz). May be left floating; no DC path required. On the ADJ variant of this die (SPX3819M5-L, adjustable), the same pin is repurposed as ADJ feedback - this 5.0V fixed part uses it as BYP only. |+| 5 | VOUT | power_out | Regulated 5.0V output, 500mA capable. Requires a minimum 1µF ceramic output capacitor for stability. Dropout is typ 340mV / max 550mV at 500mA load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `SPX3819M5-L-5-0`+- `SPX3819M5-L-5-0/TR`+- `SPX3819M5-L-5-0SPX3819M5-L`+- `SPX3819M5-L-5-0SPX3819M5-L-1-2`+- `SPX3819M5-L-5-0SPX3819M5-L-1-5`+- `SPX3819M5-L-5-0SPX3819M5-L-1-8`+- `SPX3819M5-L-5-0SPX3819M5-L-2-5`+- `SPX3819M5-L-5-0SPX3819M5-L-3-0`+- `SPX3819M5-L-5-0SPX3819M5-L-3-3`+- `SPX3819M5-L-5-0SPX3819R2-L`+- `SPX3819M5-L-5-0SPX3819R2-L-1-2`+- `SPX3819M5-L-5-0SPX3819R2-L-1-8`+- `SPX3819M5-L-5-0SPX3819S-L`+- `SPX3819M5-L-5-0SPX3819S-L-1-2`+- `SPX3819M5-L-5-0SPX3819S-L-1-5`+- `SPX3819M5-L-5-0SPX3819S-L-1-8`+- `SPX3819M5-L-5-0SPX3819S-L-2-5`+- `SPX3819M5-L-5-0SPX3819S-L-3-3`+- `SPX3819M5-L-5-0SPX3819S-L-5-0`++## CAD (KiCad official)++- Symbol: `SPX3819M5-L-5-0`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MaxLinear datasheet](docs/spx3819m5-l-5-0-datasheet.pdf) (12 pp, sha256 `f2808357a4016e81`, 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/spx3819m5-l-5-0-datasheet.pdf)

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