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SGM2059-ADJXN5G

Public Made by Adom

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SGMICRO 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

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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SGM2059-ADJXN5G

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

SGM2059-ADJXN5G from SGMICRO, 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 IN power_in Input Supply Voltage Pin. Operating range 1.1V to 5.5V (1.4V min at IOUT = 300mA). Absolute maximum -0.3V to 6V. Requires a 1μF or larger ceramic decoupling capacitor to GND placed close to the pin.
2 GND power_in Ground return pin for the regulator.
3 EN input Enable Pin. Drive high (VIH ≥ 0.7V) to enable the regulator, low (VIL ≤ 0.3V) to disable. Internal 0.03μA pull-down current source ensures the device is off when EN is floated. Tie to IN if enable is not used.
4 FB input Feedback Voltage Input Pin (adjustable version, SGM2059-ADJ). Connect to the midpoint of an external resistor divider from OUT to GND to set the output voltage. Internal reference VFB = 0.793V (typ), giving VOUT = 0.793V × (1 + R1/R2), adjustable from 0.793V to 5.0V. Place divider resistors close to this pin.
5 OUT power_out Regulator Output Pin. Supplies up to 300mA with 72mV typ dropout (VOUT = 2.8V, 300mA). Requires 0.5μF to 10μF effective output capacitance for stability, placed close to the pin. Includes automatic output discharge (~50Ω) when disabled.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SGM2059-ADJXN5G/TR
  • SGM2059-ADJXC5G/TR

CAD (KiCad official)

  • Symbol: SGM2059-ADJXN5G
  • 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
sgm2059-adjxn5g.step 85 KB You want the bare part, or you mark your own boards.
sgm2059-adjxn5g-etched.step 2.6 MB You want the part with SGM2059-ADJXN5G already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 631 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: SGMICRO datasheet (16 pp, sha256 fe1698796ffc7db1, 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