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RT9013-28GB

Public Made by Adom

by adom

Richtek Tech RT9013 28GB Z00 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

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RT9013-28GB

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

RT9013-28GB from Richtek Tech, 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 EN input Enable input, active high (TTL logic). Drive high (VIH ≥ 1.6V, ≤5.5V) to enable the regulator; drive low (VIL ≤ 0.6V) to enter shutdown mode (~0.7µA). Enable pin current ≤1µA. Do not float - use a pull-down (e.g. 100k) when driven by a high-impedance source.
2 GND power_in Common ground reference for the regulator. Return path for input, output, and enable currents.
3 VIN power_in Supply input. Operating range 2.2V to 5.5V (absolute max 6V). Bypass with a 1µF X7R ceramic capacitor to GND close to the pin.
4 NC unconnected No internal connection. Leave floating or tie to GND for mechanical stability; do not use as a routing node.
5 VOUT power_out Regulated output, fixed 2.8V ±2% (for the '28' option) at up to 500mA. Requires a 1µF X7R ceramic output capacitor for stability. Current limit ~0.5-0.6A typical; dropout 250mV typ at 500mA (VIN ≥ 2.7V).

Key specifications

Parameter Value
Manufacturer Richtek Tech
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • RT9013-28GBB
  • RT9013-28GBU5
  • RT9013-28GBY
  • RT9013-28GBQW

CAD (KiCad official)

  • Symbol: RT9013-28GB
  • 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
rt9013-28gb.step 85 KB You want the bare part, or you mark your own boards.
rt9013-28gb-etched.step 2.4 MB You want the part with RT9013-28GB already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 559 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: Richtek Tech datasheet (13 pp, sha256 a36ad4ea3ca0edb3, 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