# ME6249A50PG

**MICRONE** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

ME6249A50PG from MICRONE, in a SOT-89-3. 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 | VSS | power_in | Ground reference pin of the regulator. |
| 2 | VIN | power_in | Power input; the ME6249A50 version specifies an input voltage of 5 V to 18 V, with an absolute maximum VIN of 20 V. |
| 3 | VOUT | power_out | Regulated output of 5.0 V for the ME6249A50PG, rated for up to 250 mA output current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MICRONE |
| Package | SOT-89-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage (effective, VOUT(E)) | VOUT(E) | 0.99 |  | 1.01 | X VOUT(T) | IOUT=40mA | 4 |
| Input Voltage | VIN | 5 |  | 18 | V |  | 4 |
| Load Regulation | ΔVOUT |  | 20 | 40 | mV | VIN= VOUT +1V, 1mA≤IOUT≤150mA | 4 |
| Supply Current | ISS |  | 3 | 6 | μA | VIN= VOUT +1.5V | 4 |
| Line Regulation | ΔVOUT/ΔVIN×VOUT |  | 0.1 | 0.2 | %/V | IOUT =1mA, VOUT +1V ≤VIN≤12V | 4 |
| Input Voltage (absolute maximum) | VIN |  |  | 20 | V |  | 3 |
| Output Current (absolute maximum) | IOUT |  |  | 300 | mA |  | 3 |
| Power Dissipation SOT89-3 | PD |  |  | 1.25 | W | SOT89-3 | 3 |
| Maximum Junction Temperature | TJ | -40 |  | 150 | ºC |  | 3 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ºC |  | 3 |
| Operating Junction Temperature Range | TOPR | -40 |  | 85 | ºC |  | 3 |
| Lead Temperature |  |  |  | 260 | ℃ | 10 sec | 3 |
| Dropout Voltage | VDIF |  | 60 |  | mV | IOUT =40mA | 4 |
| Temperature Coefficient | ΔVOUT/(VOUT×ΔTa) |  | 65 |  | ppm/℃ | IOUT =40mA, -40℃≤Ta≤85℃ | 4 |
| Maximum Output Current | IOUT_max |  | 250 |  | mA | VIN= VOUT+1V | 4 |
| Thermal Resistance (Junction to air) SOT89-3 | θJA |  | 100 |  | ºC/W | Junction to air, SOT89-3 | 3 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | ppa |  | human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Nanjing | 9 |

## CAD (KiCad official)

- Symbol: `ME6249A50PG`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `me6249a50pg-etched.step` / `me6249a50pg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `me6249a50pg.step` / `me6249a50pg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MICRONE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227060322312192) (9 pp, sha256 `d44ca2b032641f6a`, 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](docs/me6249a50pg-datasheet.pdf)