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MIC5205-3.8YM5-TR
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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
markdownMIC5205-3.8YM5-TR
Microchip Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5
MIC5205-3.8YM5-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 | IN | power_in | Supply input; the datasheet's operating range is +2.5V to +16V. |
| 2 | GND | power_in | Ground. |
| 3 | EN | input | CMOS-compatible enable/shutdown input: logic-high (above 2V) enables the regulator, while logic-low (0.4V or below) or open shuts it down. |
| 4 | BYP | passive | Reference bypass: a external 470 pF capacitor to GND reduces output noise, and the pin may be left open. |
| 5 | OUT | output | Regulated output; an output capacitor of at least 2.2 µF is recommended when a 470 pF CBYP is used (1.0 µF minimum without CBYP). |
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 (initial, TJ = +25°C) | VO | -1 | 1 | % | % variation from specified VOUT; TJ = +25°C; VIN = VOUT+1V; IL = 100 µA; CL = 1.0 µF; VEN ≥ 2.0V | 3 | |
| Output Voltage Accuracy (over temperature) | VO | -2 | 2 | % | % variation from specified VOUT; -40°C < TJ < +125°C (bold values) | 3 | |
| Line Regulation | ΔVO/VO | 0.004 | 0.012 | %/V | VIN = VOUT + 1V to 16V | 3 | |
| Line Regulation (over temperature) | ΔVO/VO | 0.05 | %/V | VIN = VOUT + 1V to 16V; -40°C < TJ < +125°C (bold values) | 3 | ||
| Load Regulation | ΔVO/VO | 0.02 | 0.2 | % | IL = 0.1 mA to 150 mA, Note 2 | 3 | |
| Load Regulation (over temperature) | ΔVO/VO | 0.5 | % | IL = 0.1 mA to 150 mA, Note 2; -40°C < TJ < +125°C (bold values) | 3 | ||
| Dropout Voltage | VIN, VO | 10 | 50 | mV | IL = 100 µA; Note 3 | 3 | |
| Dropout Voltage (over temperature) | VIN, VO | 70 | mV | IL = 100 µA; Note 3; -40°C < TJ < +125°C (bold values) | 3 | ||
| Dropout Voltage | VIN, VO | 110 | 150 | mV | IL = 50 mA; Note 3 | 3 | |
| Dropout Voltage (over temperature) | VIN, VO | 230 | mV | IL = 50 mA; Note 3; -40°C < TJ < +125°C (bold values) | 3 | ||
| Dropout Voltage | VIN, VO | 140 | 250 | mV | IL = 100 mA; Note 3 | 3 | |
| Dropout Voltage (over temperature) | VIN, VO | 300 | mV | IL = 100 mA; Note 3; -40°C < TJ < +125°C (bold values) | 3 | ||
| Dropout Voltage | VIN, VO | 165 | 275 | mV | IL = 150 mA; Note 3 | 3 | |
| Dropout Voltage (over temperature) | VIN, VO | 350 | mV | IL = 150 mA; Note 3; -40°C < TJ < +125°C (bold values) | 3 | ||
| Quiescent Current (shutdown) | IGND | 0.01 | 1 | µA | VEN ≤ 0.4V (shutdown) | 3 | |
| Quiescent Current (shutdown, deep) | IGND | 5 | µA | VEN ≤ 0.18V (shutdown) | 3 | ||
| Ground Pin Current | IGND | 80 | 125 | µA | VEN ≥ 2.0V, IL = 100 µA; Note 4 | 4 | |
| Ground Pin Current (over temperature) | IGND | 150 | µA | VEN ≥ 2.0V, IL = 100 µA; Note 4; -40°C < TJ < +125°C (bold values) | 4 | ||
| Ground Pin Current | IGND | 350 | 600 | µA | IL = 50 mA; Note 4 | 4 | |
| Ground Pin Current (over temperature) | IGND | 800 | µA | IL = 50 mA; Note 4; -40°C < TJ < +125°C (bold values) | 4 | ||
| Ground Pin Current | IGND | 600 | 1000 | µA | IL = 100 mA; Note 4 | 4 | |
| Ground Pin Current (over temperature) | IGND | 1500 | µA | IL = 100 mA; Note 4; -40°C < TJ < +125°C (bold values) | 4 | ||
| Ground Pin Current | IGND | 1300 | 1900 | µA | IL = 150 mA; Note 4 | 4 | |
| Ground Pin Current (over temperature) | IGND | 2500 | µA | IL = 150 mA; Note 4; -40°C < TJ < +125°C (bold values) | 4 | ||
| Current Limit | ILIMIT | 320 | 500 | mA | VOUT = 0V | 4 | |
| Enable Input Logic-Low Voltage (shutdown) | VIL | 0.4 | V | Regulator shutdown | 4 | ||
| Enable Input Logic-Low Voltage (shutdown, over temperature) | VIL | 0.18 | V | Regulator shutdown; -40°C < TJ < +125°C (bold values) | 4 | ||
| Enable Input Logic-High Voltage | VIH | 2 | V | Regulator enabled | 4 | ||
| Enable Input Current (low) | IIL | 0.01 | -1 | µA | VIL ≤ 0.4V | 4 | |
| Enable Input Current (low, over temperature) | IIL | -2 | µA | VIL ≤ 0.18V; -40°C < TJ < +125°C (bold values) | 4 | ||
| Enable Input Current (high) | IIH | 2 | 5 | 20 | µA | VIL = 2.0V | 4 |
| Enable Input Current (high, over temperature) | IIH | 25 | µA | VIL = 2.0V; -40°C < TJ < +125°C (bold values) | 4 | ||
| Junction Operating Temperature Range | TJ | -40 | 125 | °C | 5 | ||
| Storage Temperature Range | TS | -65 | 150 | °C | 5 | ||
| Lead Temperature | 260 | °C | Soldering, 5s | 5 | |||
| Supply Input Voltage (absolute maximum) | VIN | -20 | 20 | V | 3 | ||
| Enable Input Voltage (absolute maximum) | VEN | -20 | 20 | V | 3 | ||
| Supply Input Voltage (operating) | VIN | 2.5 | 16 | V | 3 | ||
| Enable Input Voltage (operating) | VEN | 0 | V | Upper limit is VIN (printed as 0V to VIN, not a fixed number) | 3 | ||
| Thermal Resistance, Junction-to-Ambient, SOT-23-5 | θJA | 220 | °C/W | Note 2; PC board, minimum footprint | 5 | ||
| Thermal Resistance, Junction-to-Case, SOT-23-5 | θJC | 130 | °C/W | 5 |
CAD (KiCad official)
- Symbol:
MIC5205-3.8YM5-TR - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
mic5205-3-8ym5-tr-etched.step/mic5205-3-8ym5-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mic5205-3-8ym5-tr.step/mic5205-3-8ym5-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (20 pp, sha256
52c88e6fc146fcc5, 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).