ME6221CM5G

@@ -0,0 +1,44 @@+# ME6221CM5G++**MICRONE** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++ME6221CM5G from MICRONE, in a SOT-23-5. 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 | VIN | power_in | Power input voltage. Operating range 2.8 V to 18 V (absolute max 18 V). Bypass with a 1 uF or larger tantalum capacitor close to the pin. |+| 2 | VSS | power_in | Device ground reference. Connect to system ground return. |+| 3 | CE | input | Chip enable (ON/OFF control). Drive high (>=1.3 V, up to 18 V) to enable the regulator; drive low (<=0.7 V) to disable and enter standby (ICEL ~0 uA). Input leakage is <=0.1 uA. |+| 4 | FB | input | Feedback voltage input. Regulated internally to the 1.25 V reference. Connect to the midpoint of an external resistor divider from VOUT to VSS to set the output voltage: VOUT = 1.25 * (1 + R1/R2). R2 should be >=100 kOhm for best accuracy. |+| 5 | VOUT | power_out | Regulated output voltage, adjustable 1.25 V to 5.0 V, up to 400 mA (typ) / 550 mA (max) with current-limit at ~600 mA. Requires a >=2.2 uF tantalum output capacitor with ESR <1 Ohm for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `ME6221CM5G`++## CAD (KiCad official)++- Symbol: `ME6221CM5G`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MICRONE datasheet](docs/me6221cm5g-datasheet.pdf) (10 pp, sha256 `2b7a8783ac554210`, 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/me6221cm5g-datasheet.pdf)

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