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MG6228T3B-33

Public Made by Adom

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

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MG6228T3B-33

Megain · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3

MG6228T3B-33 from Megain, in a SOT-23-3. 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 GND power_in Ground terminal of the regulator (datasheet pin function: 接地端, ground).
2 VOUT power_out Regulated output voltage pin, with output voltage selectable from 1.8 V to 5 V and a maximum output current of 500 mA.
3 VIN power_in Input voltage pin, with recommended operating range 2.5 V to 6 V and absolute maximum rating -0.3 V to +6.5 V.

Key specifications

Parameter Value
Manufacturer Megain
Package SOT-23-3
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 -0.3 6.5 V 3
EN input voltage VEN -0.3 6.5 V 3
Junction temperature TJ 150 ⁰C 3
Power dissipation, SOT23-3 PD 0.29 W 3
Soldering temperature 300 ⁰C time ≤10 s 3
Storage temperature Tstg -65 150 ⁰C 3
Thermal resistance junction-to-ambient, SOT23-3 RθJA 350 ⁰C/W JEDEC 51-3, TA=25°C, high effective thermal conductivity four-layer board 3
Input voltage (recommended) VIN 2.5 6 V 3
Operating temperature TA -40 85 ⁰C 3
Junction temperature range TJ -40 125 ⁰C 3
Input voltage range VIN 2.5 6 V 3
Output voltage accuracy ΔVOUT -2 2 % TJ = 25⁰C 3
Line regulation ΔVLINE 0.01 0.2 %/V VIN = VOUT+1V ~ 6V 3
Load regulation ΔVLOAD 8 20 mV IOUT = 1mA ~ 100mA, VIN = 'VOUT+1V' or 3.5V (whichever is greater) 3
Load regulation ΔVLOAD 25 60 mV IOUT = 1mA ~ 300mA, VIN = 'VOUT+1V' or 3.5V (whichever is greater) 3
Load regulation ΔVLOAD 40 100 mV IOUT = 1mA ~ 500mA, VIN = 'VOUT+1V' or 3.5V (whichever is greater) 3
Dropout voltage (VOUT ≥ 2.5V) VDROP 120 mV VOUT ≥ 2.5V, IOUT = 100mA 4
Dropout voltage (VOUT ≥ 2.5V) VDROP 360 mV VOUT ≥ 2.5V, IOUT = 300mA 4
Dropout voltage (VOUT ≥ 2.5V) VDROP 660 mV VOUT ≥ 2.5V, IOUT = 500mA 4
Quiescent current IQ 0.5 1 uA IOUT = 0mA 4
Shutdown current ISD 30 nA VEN = 0V 4
Enable high level VENHI 0.8 V 4
Enable low level VENLO 0.2 V 4
Current limit ICL 550 700 mA VIN = 'VOUT+1V' or 3.5V (whichever is greater) 4
Output discharge resistance RDIS 10 Ω VEN = 0V, VOUT to GND 4
Power supply rejection ratio PSRR 75 dB IOUT = 10mA, f = 1kHz 4
Power supply rejection ratio PSRR 80 dB IOUT = 10mA, f = 10KHz 4
Thermal shutdown TSD 150 ⁰C 4
Thermal shutdown hysteresis TSDHY 20 ⁰C 4

CAD (KiCad official)

  • Symbol: MG6228T3B-33
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: mg6228t3b-33-etched.step / mg6228t3b-33-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mg6228t3b-33.step / mg6228t3b-33.glb are the bare package body.

Provenance

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

  • Datasheet: Megain datasheet (9 pp, sha256 c1e78e55e0bf9aa9, retrieved 2026-10-14, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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