main
History Download
Ray Publish 0.1.0 e378fb6 17d ago

MG6228T3B-30

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

MG6228T3B-30 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 pin of the regulator (接地端); the datasheet gives no electrical limit for this pin.
2 VOUT power_out Regulated output voltage pin; the device is rated for up to 500 mA output current with output options of 1.8 V to 5 V and ±2% tolerance.
3 VIN power_in Input voltage pin; recommended operating range is 2.5 V to 6 V, with an absolute maximum of -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
VIN input voltage (absolute maximum) VIN -0.3 6.5 V 3
EN input voltage (absolute maximum) VEN -0.3 6.5 V 3
Junction temperature (absolute maximum) TJ 150 ⁰C 3
Power dissipation, SOT23-3 PD 0.29 W SOT23-3 package 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-K four-layer test board (footnote 3) 3
VIN input voltage (recommended operating) VIN 2.5 6 V 3
Operating temperature TA -40 85 ⁰C 3
Junction temperature range (recommended operating) 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, IOUT 1mA to 100mA ΔVLOAD 8 20 mV IOUT = 1mA ~ 100mA, VIN = VOUT+1V or 3.5V (whichever is larger) 3
Load regulation, IOUT 1mA to 300mA ΔVLOAD 25 60 mV IOUT = 1mA ~ 300mA, VIN = VOUT+1V or 3.5V (whichever is larger) 3
Load regulation, IOUT 1mA to 500mA ΔVLOAD 40 100 mV IOUT = 1mA ~ 500mA, VIN = VOUT+1V or 3.5V (whichever is larger) 3
Dropout voltage (VOUT ≥ 2.5V), 100mA VDROP 120 mV IOUT = 100mA, VOUT ≥ 2.5V 4
Dropout voltage (VOUT ≥ 2.5V), 300mA VDROP 360 mV IOUT = 300mA, VOUT ≥ 2.5V 4
Dropout voltage (VOUT ≥ 2.5V), 500mA VDROP 660 mV IOUT = 500mA, VOUT ≥ 2.5V 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 larger) 4
Output discharge resistance RDIS 10 Ω VEN = 0V, VOUT to GND 4
Ripple rejection (PSRR), 1kHz PSRR 75 dB IOUT = 10mA, f = 1kHz 4
Ripple rejection (PSRR), 10kHz 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-30
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: mg6228t3b-30-etched.step / mg6228t3b-30-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mg6228t3b-30.step / mg6228t3b-30.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 2026-10-18, 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