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Contents

README

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ME6119C40M5G

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

ME6119C40M5G from MICRONE, 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 Power input pin. Accepts 2.5V to 18V (absolute max 18V). Recommend a 10uF tantalum input capacitor to VSS for stability.
2 VSS power_in Ground reference for the regulator.
3 CE input Chip Enable input. VCEH ≥ 1.30V starts the regulator; VCEL ≤ 0.8V shuts it down (shutdown current 0µA typ). Voltage range VSS-0.3V to VIN+0.3V.
4 NC unconnected No connect. Leave floating.
5 VOUT power_out Regulated power output pin. Fixed 4.0V (for the C40 option) at up to 400mA typical (500mA absolute max). Requires a ≥10uF tantalum output capacitor with ESR < 0.5Ω for stability.

Key specifications

Parameter Value
Manufacturer MICRONE
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • ME6119C40M5G
  • ME6119C40M5GC30M5G
  • ME6119C40M5GC33M5G
  • ME6119C40M5GA33M5G
  • ME6119C40M5GA30M3G
  • ME6119C40M5GA30PG

CAD (KiCad official)

  • Symbol: ME6119C40M5G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: me6119c40m5g-etched.step / me6119c40m5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); me6119c40m5g.step / me6119c40m5g.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
me6119c40m5g.step 85 KB You want the bare part, or you mark your own boards.
me6119c40m5g-etched.step 2.2 MB You want the part with ME6119C40M5G already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 535 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: MICRONE datasheet (10 pp, sha256 c7d4103d2fc6a40f, retrieved 2026-08-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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