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LP3992-28B5F

Public Made by Adom

by adom

LOWPOWER Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LP3992-28B5F

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

LP3992-28B5F from LOWPOWER, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Power input voltage, with a recommended supply range of 2.5V to 5.5V and an absolute maximum supply input of 6.5V.
2 GND power_in Ground reference pin for the regulator.
3 EN input Active-high chip enable: the LDO turns on when EN is above 1.4V (VIH) and shuts down when EN is below 0.4V (VIL), with the EN input limited to 0V to VIN+0.3V.
4 NC unconnected No connection; this pin is not connected internally.
5 VOUT power_out Regulated output voltage, supplying up to 300mA of output current.

Key specifications

Parameter Value
Manufacturer LOWPOWER
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Input Voltage 6.5 V 3
Other Pin Voltage -0.3 V Printed range: -0.3V to VIN+0.3V 3
Power Dissipation PD PD 500 mW TA = 25°C, TSOT23-5/SOT23-5 3
Maximum Junction Temperature 150 °C 3
Maximum Soldering Temperature 260 °C At leads, 10 sec 3
Storage Temperature Range -65 165 °C 3
ESD Susceptibility HBM 2 kV HBM (Human Body Model) 3
ESD Susceptibility MM 200 V MM (Machine Model) 3
Supply Input Voltage 2.5 5.5 V 3
EN Input Voltage 0 V Printed range: 0V to VIN+0.3V 3
Operation Junction Temperature Range -40 125 °C 3
Operation Ambient Temperature Range -40 85 °C 3
Thermal Resistance Junction-to-Ambient JA 195 °C/W SOT23-5/SOT23 3
Thermal Resistance Junction-to-Case JC 60 °C/W SOT23-5/SOT23 3

CAD (KiCad official)

  • Symbol: LP3992-28B5F
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp3992-28b5f-etched.step / lp3992-28b5f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp3992-28b5f.step / lp3992-28b5f.glb are the bare package body.

Provenance

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

  • Datasheet: LOWPOWER datasheet (9 pp, sha256 3030f9d302dd0ce9, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF