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XB385M3-1.2

Public Made by Adom

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XINLUDA XB385M3 1 2 Voltage Reference, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs xb385m3-1-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 2d ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 1mo ago
package.json Publish 0.2.0 · Ray 1mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 1mo ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 10d ago
README.md xb385m3-1-2: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 16d ago
xb385m3-1-2-etched.fit.json xb385m3-1-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 2d ago
xb385m3-1-2-etched.glb xb385m3-1-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 2d ago
xb385m3-1-2-etched.step xb385m3-1-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 2d ago
xb385m3-1-2.glb Publish 0.1.0 · Ray 1mo ago
xb385m3-1-2.kicad_mod Publish 0.1.0 · Ray 1mo ago
xb385m3-1-2.kicad_sym Publish 0.1.0 · Ray 1mo ago
xb385m3-1-2.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect and oval pad as a SQUARE EAGLE smd; this carries the real pad shape across (0 -> 3 rounded pads) and stops dropping geometry drawn on KiCad User.N layers. Attributes, connects, pads and the pin-1 marker are gated against decreasing and are unchanged. · Ray 1mo ago
xb385m3-1-2.step Publish 0.1.0 · Ray 1mo ago

XB385M3-1.2

XINLUDA · Voltage Reference · SOT-23-3

XB385M3-1.2 from XINLUDA, in a SOT-23-3. 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 + passive Positive (cathode) terminal of the 1.235 V bandgap reference diode. Reverse current is drawn into this pin; regulated reference voltage (~1.235 V) appears between + and −.
2 - passive Negative (anode) terminal of the 1.235 V bandgap reference diode. Normally tied to circuit ground / return.
3 DAP passive Die Attach Pad (DAP). Not electrically part of the reference circuit; should be connected to Pin 2 (anode) or left floating.

Key specifications

Parameter Value
Manufacturer XINLUDA
Package SOT-23-3
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • XB385M3-1.2

The extractor listed these alongside XB385M3-1.2, but they are different parts with different electrical characteristics. Do not order them as substitutes.

  • XB385M3-1.2XT285-1.2
  • XB385M3-1.2XT385-1.2
  • XB385M3-1.2XL285-1.2
  • XB385M3-1.2XL385-1.2

CAD (KiCad official)

  • Symbol: XB385M3-1.2
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: xb385m3-1-2-etched.step / xb385m3-1-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xb385m3-1-2.step / xb385m3-1-2.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
xb385m3-1-2.step 59 KB You want the bare part, or you mark your own boards.
xb385m3-1-2-etched.step 2.0 MB You want the part with XB385M3-1.2 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 491 faces against 69 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: XINLUDA datasheet (12 pp, sha256 8409d80bd41e2abd, retrieved 2026-08-17, tier: lcsc)
  • 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