MIC5504-3.3YM5-TR
Public Unreviewedby Ray
Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdownMIC5504-3.3YM5-TR
Microchip · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5
MIC5504-3.3YM5-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 | VIN | power_in | Supply input. Operating range 2.5V to 5.5V (absolute max 6V). Bypass with a 1µF ceramic capacitor to GND. |
| 2 | GND | power_in | Ground return for the regulator. Carries the load return and the ~38-65µA quiescent current. |
| 3 | EN | input | Enable input, active high (High = ON, Low = OFF). VIH ≥ 1.2V, VIL ≤ 0.2V. MIC5504 has an internal ~4MΩ pull-down so the pin may be left floating (defaults off). Absolute max −0.3V to VIN. |
| 4 | NC | unconnected | No Connection. Pin is not internally connected; may be left floating or tied to GND. |
| 5 | VOUT | power_out | Regulated 3.3V output, 300mA guaranteed. When disabled, the MIC5504 auto-discharge circuit switches an internal ~25Ω load across VOUT to discharge external capacitors. Requires ≥1µF ceramic output capacitor for stability. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip |
| Package | SOT-23-5 |
| Category | PMIC |
| Pins | 5 |
Ordering variants
Same part, different packaging or reel option.
MIC5504-3.3YM5-TRMIC5504-3.3YM5-TR2.8YM5MIC5504-3.3YM5-TR2.5YM5MIC5504-3.3YM5-TR1.8YM5MIC5504-3.3YM5-TR1.2YM5MIC5504-3.3YMTMIC5504-3.3YM5-TR3.1YMTMIC5504-3.3YM5-TR3.0YMTMIC5504-3.3YM5-TR2.8YMTMIC5504-3.3YM5-TR2.5YMTMIC5504-3.3YM5-TR2.2YMTMIC5504-3.3YM5-TR1.8YMTMIC5504-3.3YM5-TR1.2YMT
CAD (KiCad official)
- Symbol:
MIC5504-3.3YM5-TR - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
3D model downloads
Two STEP files. Same geometry, different body top:
| File | Size | Use it when |
|---|---|---|
mic5504-3-3ym5-tr.step |
85 KB | You want the bare part, or you mark your own boards. |
mic5504-3-3ym5-tr-etched.step |
2.6 MB | You want the part with MIC5504-3.3YM5-TR already on it. |
The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 654 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip datasheet (15 pp, sha256
ecd89dfc7e29efd0, 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).