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HE2028A50GR

Public Made by Adom

by adom

HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)he2028a50grfactory-2.0.0extractor-text
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Datasheet

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Contents

README

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HE2028A50GR

HEERMICR · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

HE2028A50GR from HEERMICR, in a TO-252. 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 Regulator input; accepts 3.0V to 50V per the electrical table, with a recommended ceramic input capacitor placed close to the pin.
2 GND power_in Ground; the middle lead and the metal tab are both labelled GND in the TO252 top view, and it should be a single-point ground return.
3 VOUT power_out Regulated 5.0V output (HE2028A50GR) delivering up to 800mA with ±2% accuracy, needing a 10µF ceramic output capacitor for stability.

Key specifications

Parameter Value
Manufacturer HEERMICR
Package TO-252
Category Power Management (PMIC)
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Input Voltage VIN 3 50 V 4
Output Voltage VOUT -2 2 % VIN=12V, IOUT=10mA 4
Quiescent Current IQ 2 5 μA VIN=12V, no load 4
Shutdown Ground Current ISD 0.1 μA VIN=0V 4
VOUT Shutdown Leakage Current ILEAK 0.1 μA VOUT = 0V 4
EN Threshold Voltage, Logic-High VIH 1 V VIN=5.0V, IOUT=1mA 4
EN Threshold Voltage, Logic-Low VIL 0.4 V VIN=5.0V 4
Current Limit ILIMIT 300 450 mA VIN= VOUT +1V 4
Supply voltage at VIN (recommended) VIN 30 V 3
Operating junction temperature range Tj -40 125 °C 3
Operating free air temperature range TA -40 85 °C 3
Input Voltage (absolute maximum) VIN -0.3 50 V relative to VSS 3
Output Voltage (absolute maximum) VOUT -0.3 6 V relative to VSS 3
Output Current (absolute maximum) IOUT 800 mA 3
Power Dissipation Pd 1800 mW TO252-3L package 3
Operating Temperature Topr -40 85 ℃ 3
Storage Temperature Tstg -40 125 ℃ 3
Soldering Temperature Tsolder 260 ℃ 10 s 3
ESD Human Body Model V(ESD-HBM) -4000 4000 V HBM, ANSI/ESDA/JEDEC JS-001-2014, Class 2 3
ESD Charged Device Model V(ESD-CDM) -200 200 V CDM, ANSI/ESDA/JEDEC JS-002-2014, Class C0b 3
Latch-up Current ILATCH-UP -150 150 mA JEDEC STANDARD NO.78E, Temperature Class I 3
Thermal Resistance Junction-to-Ambient RθJA 150 ℃/W TO252-3L, per JESD 51-7 3

CAD (KiCad official)

  • Symbol: HE2028A50GR
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: he2028a50gr-etched.step / he2028a50gr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); he2028a50gr.step / he2028a50gr.glb are the bare package body.

Provenance

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

  • Datasheet: HEERMICR datasheet (9 pp, sha256 04db718670775aea, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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