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SPX3819M5-L

Public Made by Adom

by adom

MaxLinear Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)spx3819m5-lfactory-2.0.0extractor-text
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SPX3819M5-L

MaxLinear · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

SPX3819M5-L from MaxLinear, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Supply input, specified for an input voltage range of 2.5V to 16V (absolute maximum -20V to +20V on VIN and EN).
2 GND power_in Ground pin for the regulator.
3 EN input CMOS-compatible enable input: logic high (VIH ≥ 2.0V) enables the regulator, while logic low (VIL ≤ 0.4V) or open shuts it down, with the pin rated 0.0V to VIN.
4 ADJ/BYP input Adjust/feedback input connected to a resistive voltage divider to set VOUT = 1.235V x (1 + R1/R2) with R2 greater than 10kΩ (22kΩ to 47kΩ recommended), and also the internal reference bypass pin for low-noise operation.
5 VOUT power_out Regulator output, rated for up to 500mA load current with current limit of 800mA typical at VOUT = 0V.

Key specifications

Parameter Value
Manufacturer MaxLinear
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: SPX3819M5-L
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: spx3819m5-l-etched.step / spx3819m5-l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); spx3819m5-l.step / spx3819m5-l.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MaxLinear datasheet (12 pp, sha256 22f9d8850b4049da, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF