component
MG6228T3B-33
Public Made by Adomby adom
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mg6228t3b-33.step/mg6228t3b-33.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# 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](docs/mg6228t3b-33-datasheet.pdf) (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](docs/mg6228t3b-33-datasheet.pdf)