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MIC39302S

Public Made by Adom

by adom

HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC39302S

HGSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-5

MIC39302S from HGSEMI, in a TO-263-5. 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 EN input CMOS-compatible control input: logic high enables the regulator, while logic low or open puts it in shutdown.
2 IN power_in Supply input with a +16V maximum supply rating; the operating range is 2.25V to 16V.
3 GND power_in Ground pin; the ground pin and TAB are internally connected.
4 OUT power_out Regulator output.
5 ADJ input Adjustment (feedback) input that sets the output voltage through an external two-resistor divider referenced to 1.25V, with resistors up to 1MΩ.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer HGSEMI
Package TO-263-5
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage (10mA condition) VOUT -1 1 % 10mA 6
Output Voltage (10mA ≤ IOUT ≤ 3A) VOUT -2 2 % 10mA ≤ IOUT ≤ 3A, VOUT+1V ≤ VIN ≤ 8V 6
Line Regulation 0.06 0.5 % IOUT=10mA, VOUT+1V ≤ VIN ≤ 8V 6
Load Regulation 0.2 1 % VIN=VOUT+1V, 10mA 6
Output Voltage Temperature Coefficient ∆VOUT/∆T 20 100 ppm/°C 6
Dropout Voltage VDO 80 200 mV IOUT=100mA, ΔVOUT=-1% 6
Dropout Voltage VDO 200 mV IOUT=750mA, ΔVOUT=-1% 6
Dropout Voltage VDO 320 mV IOUT=1.5A, ΔVOUT=-1% 6
Dropout Voltage VDO 400 550 mV IOUT=3A, ΔVOUT=-1% 6
Ground Current IGND 10 20 mA IOUT=750mA, VIN=VOUT=+1V 6
Ground Current IGND 17 mA IOUT=1.5A, VIN=VOUT=+1V 6
Ground Current IGND 45 mA IOUT=3A, VIN=VOUT=+1V 6
Dropout Ground Pin Current IGND(do) 6 mA VIN ≤ VOUT(nominal)-0.5V, IOUT=10mA 6
Current Limit IOUT(lim) 4.5 A VOUT=0V, VIN=VOUT+1V 6
Reference Voltage (full temperature range) 1.225 1.275 V Bold values: -40°C ≤ Ta ≤ 125°C 7
Reference Voltage (Ta=25°C) 1.238 1.25 1.262 V Ta=25°C 7
Reference Voltage (TJ = TMAX) 1.231 1.277 V Note 10: VREF ≤ VOUT ≤ (VIN, 1V), 2.25V ≤ VIN ≤ 16V, 10mA ≤ IL ≤ 3A, TJ = TMAX 7
Adjust Pin Bias Current 40 80 nA 7
Adjust Pin Bias Current (full temperature range) 120 nA 7
Reference Voltage Temperature Coefficient 20 ppm/°C 7
Adjust Pin Bias Current Temperature Coefficient 0.1 nA/°C 7
Supply Voltage (absolute maximum) VIN -20 20 V 4
Storage Temperature TS -65 150 °C 4
Lead Temperature 245 °C Soldering, 10 sec 4
Supply Voltage (operating) VIN -2.25 16 V 4
Operating Temperature Ta -40 125 °C 4
Thermal Resistance Junction-to-Case (TO263) θJC 5 °C/W TO263 package 4

CAD (KiCad official)

  • Symbol: MIC39302S
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: mic39302s-etched.step / mic39302s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic39302s.step / mic39302s.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (16 pp, sha256 fb1e3af1d6c4f9ad, retrieved 2026-10-19, 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