ME6228A33PG

@@ -0,0 +1,48 @@+# ME6228A33PG++**MICRONE** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++ME6228A33PG from MICRONE, in a SOT-89-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VSS | power_in | Ground reference (地). Connect to system ground; forms the return path for both the input and output current. |+| 2 | VIN | power_in | Power supply input (电源输入端). Accepts 3.3 V to 30 V for the A33 variant (VIN must be ≥ VOUT + dropout ≈ VOUT + 1.5 V for full 150 mA regulation). Bypass with a 10 uF input capacitor; if VIN exceeds 15 V, use an electrolytic or tantalum input capacitor because the ceramic cap alone causes severe inrush spikes. |+| 3 | VOUT | power_out | Regulated voltage output (电压输出端). Delivers fixed 3.3 V ±2% up to 150 mA for the A33 variant. Requires a low-ESR ceramic output capacitor of ~20 uF for stability. Short-circuit current is typically 18 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `ME6228A33PGA33PG`+- `ME6228A33PGA50PG`+- `ME6228A33PGA25M3G`+- `ME6228A33PGA28M3G`+- `ME6228A33PGA30M3G`+- `ME6228A33PGA33M3G`+- `ME6228A33PGA33TG`++## CAD (KiCad official)++- Symbol: `ME6228A33PG`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MICRONE datasheet](docs/me6228a33pg-datasheet.pdf) (12 pp, sha256 `4babba5a77f5a54d`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/me6228a33pg-datasheet.pdf)

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