component
MIC5504-1.2YM5-TR
Public Made by Adomby adom
Microchip Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMIC5504-1.2YM5-TR
Microchip Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5
MIC5504-1.2YM5-TR from Microchip Tech, in a SOT-23-5. 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 | VIN | power_in | Supply input, specified for 2.5V to 5.5V operation (absolute maximum −0.3V to +6V). |
| 2 | GND | power_in | Ground reference pin; the ground pin current is the regulator quiescent current, typically 38 μA at 0 mA load. |
| 3 | EN | input | Active-high enable (high = ON, low = OFF) with logic-low at 0.2V max and logic-high at 1.2V min, and an internal pull-down (typically 4 MΩ) on the MIC5504 so it may be left floating. |
| 4 | NC | unconnected | No connection; the pin is not internally connected. |
| 5 | VOUT | power_out | Regulated output (fixed 1.2V on this part, ±2% accuracy); when disabled, the MIC5504 switches an internal 25 Ω maximum load to discharge the output capacitor. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
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 Accuracy | VOUT | -2 | 2 | % | Variation from nominal VOUT | 3 | |
| Output Voltage Accuracy over temperature | VOUT | -3 | 3 | % | Variation from nominal VOUT; -40°C to +125°C | 3 | |
| Supply Voltage (Operating Ratings) | VIN | 2.5 | 5.5 | V | 3 | ||
| Enable Voltage (Operating Ratings) | VEN | 0 | V | Maximum printed as VIN | 3 | ||
| Supply Voltage (Absolute Maximum) | VIN | -0.3 | 6 | V | 3 | ||
| Enable Voltage (Absolute Maximum) | VEN | -0.3 | V | Maximum printed as VIN | 3 | ||
| ESD Rating | 3 | kV | Note 2: Human body model, 1.5 kΩ in series with 100 pF | 3 | |||
| Line Regulation | 0.02 | 0.3 | %/V | VIN = VOUT +1V to 5.5V; IOUT = 100 μA | 3 | ||
| Load Regulation | 8 | 40 | mV | IOUT = 100 μA to 300 mA | 3 | ||
| Dropout Voltage | VDO | 80 | 190 | mV | IOUT = 150 mA | 3 | |
| Dropout Voltage | VDO | 160 | 380 | mV | IOUT = 300 mA | 3 | |
| Ground Pin Current | IGND | 38 | 55 | μA | IOUT = 0 mA | 3 | |
| Ground Pin Current | IGND | 42 | 65 | μA | IOUT = 300 mA | 3 | |
| Ground Pin Current in Shutdown | IGND(SHDN) | 0.05 | 1 | μA | VEN = 0V | 3 | |
| Current Limit | ILIM | 400 | 630 | 900 | mA | VOUT = 0V | 3 |
| Auto-Discharge NFET Resistance | 25 | Ω | MIC5502, MIC5504 Only; VEN = 0V; VIN = 3.6V; IOUT = -3 mA | 3 | |||
| Enable Input Voltage Logic-Low | VEN | 0.2 | V | Logic-Low | 3 | ||
| Enable Input Voltage Logic-High | VEN | 1.2 | V | Logic-High | 3 | ||
| Enable Input Current MIC5503, MIC5504 | IEN | 0.01 | 1 | μA | VEN = 0V | 4 | |
| Enable Input Current MIC5503, MIC5504 | IEN | 1.4 | 2 | μA | VEN = 5.5V | 4 | |
| Turn-On Time | tON | 50 | 125 | μs | COUT = 1 μF; IOUT = 150 mA | 4 | |
| Storage Temperature Range | TS | -65 | 150 | °C | 5 | ||
| Maximum Junction Temperature Range | TJ | -40 | 150 | °C | 5 | ||
| Operating Junction Temperature Range | TJ | -40 | 125 | °C | 5 | ||
| Lead Temperature | 260 | °C | Soldering, 10s | 5 | |||
| Thermal Resistance SOT23-5, junction to air | θJA | 253 | °C/W | 5 |
CAD (KiCad official)
- Symbol:
MIC5504-1.2YM5-TR - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
mic5504-1-2ym5-tr-etched.step/mic5504-1-2ym5-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mic5504-1-2ym5-tr.step/mic5504-1-2ym5-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (22 pp, sha256
ccd7fb69d1651274, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).