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MIC5219-3.3YM5-TR
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Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# MIC5219-3.3YM5-TR++**Microchip** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++MIC5219-3.3YM5-TR from Microchip, 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 | IN | power_in | Supply Input. Operating input voltage range +2.5V to +12V (absolute max -20V to +20V). Provides the unregulated supply to the LDO pass element. |+| 2 | GND | power_in | Ground return for the regulator. Ground pin current is typically 12 mA at 500 mA load and drops to ~0.05 uA in shutdown. |+| 3 | EN | input | Enable (Input): CMOS/TTL compatible control input. Logic high (>=2.0V) enables the regulator; logic low (<=0.4V) or open puts the device into shutdown (near-zero current draw). Do not leave floating. |+| 4 | BYP | passive | Reference Bypass. Connect an external 470 pF capacitor from BYP to GND to reduce output noise to ~300 nV/sqrt(Hz). May be left open if low-noise performance is not required. |+| 5 | OUT | power_out | Regulator Output. Fixed 3.3V output (+/-1% typical, +/-2% over temperature), 500 mA continuous / 500 mA peak in SOT-23-5. Requires a >=2.2 uF (tantalum recommended) output capacitor for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `MIC5219-3.3YM5-TR`+- `MIC5219-3.3YM5-TRMIC5219-3.3BM5`+- `MIC5219-3.3YM5-TRMIC5219-3.3YMM`+- `MIC5219-3.3YM5-TRMIC5219-3.3BMM`+- `MIC5219-3.3YM5-TRMIC5219-3.3YML`+- `MIC5219-3.3YM5-TRMIC5219-3.3BML`+- `MIC5219-3.3YM5-TRMIC5219YMT`+- `MIC5219-3.3YM5-TRMIC5219-5.0YMT`++## CAD (KiCad official)++- Symbol: `MIC5219-3.3YM5-TR`+- 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:** [Microchip datasheet](docs/mic5219-3-3ym5-tr-datasheet.pdf) (14 pp, sha256 `b36f990c91d40c48`, 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/mic5219-3-3ym5-tr-datasheet.pdf)
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