component

TP5108E23E-28

Public Unreviewed

by Ray

TECH PUBLIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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TP5108E23E-28

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

TP5108E23E-28 from TECH PUBLIC, 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 power input. Absolute maximum 7 V; typical operation VIN = VOUT + 1 V. Bypass with 1 uF CIN capacitor to GND close to the pin.
2 GND power_in Ground return for the regulator. Common reference for VIN, VOUT and CE signals.
3 CE input Chip Enable (active-high). VCE >= 1.1 V enables the regulator; VCE = 0 V puts the part in shutdown (standby current ICEL <= 1 uA). Do not leave floating.
4 NC unconnected No internal connection. May be left floating or tied to GND for mechanical stability.
5 VOUT power_out Regulated output voltage (2.8 V fixed for the -28 variant, tolerance +/-2%). Delivers up to 500 mA typ. Requires a 1 uF COUT ceramic capacitor to GND for stability.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • TP5108E23E-28

The extractor listed these alongside TP5108E23E-28, but they are different parts with different electrical characteristics. Do not order them as substitutes.

  • TP5108E23E-12
  • TP5108E23E-15
  • TP5108E23E-18
  • TP5108E23E-25
  • TP5108E23E-30
  • TP5108E23E-33
  • TP5108E23E-50

CAD (KiCad official)

  • Symbol: TP5108E23E-28
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
tp5108e23e-28.step 85 KB You want the bare part, or you mark your own boards.
tp5108e23e-28-etched.step 2.5 MB You want the part with TP5108E23E-28 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 602 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: TECH PUBLIC datasheet (5 pp, sha256 12ff3577d0a0b87d, 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