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MIC5209-3.3YS-TR
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Microchip Tech Linear Voltage Regulators (LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MIC5209-3.3YS-TR
Microchip Tech · Linear Voltage Regulators (LDO) · SOT-223
MIC5209-3.3YS-TR from Microchip Tech, in a SOT-223. 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 operating supply range is +2.5V to +16V and the absolute maximum supply voltage is -20V to +20V. |
| 2 | GND | power_in | Ground; SOT-223 pin 2 and TAB are internally connected. |
| 3 | OUT | power_out | Regulator output; a 1 µF minimum output capacitor is required for basic fixed-voltage applications. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOT-223 |
| Category | Power Management ICs |
| Pins | 3 |
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 | -1 | 1 | % | 5 | ||
| % Variation from nominal VOUT | VOUT | -2 | 2 | % | 5 | ||
| Line Regulation | ∆VOUT/VOUT | 0.009 | 0.05 | % | VIN = VOUT + 1V to 16V | 5 | |
| Line Regulation | ∆VOUT/VOUT | 0.1 | % | VIN = VOUT + 1V to 16V | 5 | ||
| Load Regulation | ∆VOUT/VOUT | 0.05 | 0.5 | % | IL = 100 µA to 500 mA, Note 3 | 5 | |
| Load Regulation | ∆VOUT/VOUT | 0.7 | % | IL = 100 µA to 500 mA, Note 3 | 5 | ||
| Dropout Voltage | VIN, VOUT | 10 | 60 | mV | IL = 100 µA | 5 | |
| Dropout Voltage | VIN, VOUT | 80 | mV | IL = 100 µA | 5 | ||
| Dropout Voltage | VIN, VOUT | 115 | 175 | mV | IL = 50 mA | 5 | |
| Dropout Voltage | VIN, VOUT | 250 | mV | IL = 50 mA | 5 | ||
| Dropout Voltage | VIN, VOUT | 165 | 300 | mV | IL = 150 mA | 5 | |
| Dropout Voltage | VIN, VOUT | 400 | mV | IL = 150 mA | 5 | ||
| Dropout Voltage | VIN, VOUT | 350 | 500 | mV | IL = 500 mA | 5 | |
| Dropout Voltage | VIN, VOUT | 600 | mV | IL = 500 mA | 5 | ||
| Ground Pin Current | IGND | 80 | 130 | µA | VEN ≥ 3.0V, IOUT = 100 µA | 5 | |
| Ground Pin Current | IGND | 170 | µA | VEN ≥ 3.0V, IOUT = 100 µA | 5 | ||
| Ground Pin Current | IGND | 350 | 650 | µA | VEN ≥ 3.0V, IOUT = 50 mA | 5 | |
| Ground Pin Current | IGND | 900 | µA | VEN ≥ 3.0V, IOUT = 50 mA | 5 | ||
| Ground Pin Current | IGND | 1.8 | 2.5 | mA | VEN ≥ 3.0V, IOUT = 150 mA | 5 | |
| Ground Pin Current | IGND | 3 | mA | VEN ≥ 3.0V, IOUT = 150 mA | 5 | ||
| Ground Pin Current | IGND | 8 | 20 | mA | VEN ≥ 3.0V, IOUT = 500 mA | 5 | |
| Ground Pin Current | IGND | 25 | mA | VEN ≥ 3.0V, IOUT = 500 mA | 5 | ||
| Ground Pin Quiescent Current | IGND | 0.05 | 3 | µA | VEN ≤ 0.4V (shutdown) | 5 | |
| Ground Pin Quiescent Current | IGND | 0.1 | 8 | µA | VEN ≤ 0.18V (shutdown) | 5 | |
| Current Limit | ILIMIT | 700 | 900 | mA | VOUT = 0V | 5 | |
| Current Limit | ILIMIT | 1000 | mA | VOUT = 0V | 5 | ||
| Output Voltage Temperature Coefficient | ∆VOUT/∆T | 40 | ppm/°C | Note 2 | 5 | ||
| Supply Voltage (VIN) absolute maximum | VIN | -20 | 20 | V | 4 | ||
| ESD Rating SOT-223 HBM | 2 | kV | HBM | 4 | |||
| ESD Rating SOT-223 MM | 300 | V | MM | 4 | |||
| Supply Voltage (VIN) operating | VIN | 2.5 | 16 | V | 4 | ||
| Storage Temperature Range | TS | -65 | 150 | °C | 7 | ||
| Lead Temperature | 260 | °C | Soldering, 5 sec. | 7 | |||
| Junction Temperature | TJ | -40 | 125 | °C | 2.5V ≤ VOUT ≤ 15V | 7 | |
| Thermal Resistance SOT-223 junction to ambient | θJA | 62 | °C/W | EIA/JEDEC JES51-751-7, 4 Layer Board | 7 | ||
| Thermal Resistance SOT-223 junction to case | θJC | 15 | °C/W | 7 |
CAD (KiCad official)
- Symbol:
MIC5209-3.3YS-TR - Footprint:
Package_TO_SOT_SMD:SOT-223-3_TabPin2 - 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files:
mic5209-3-3ys-tr-etched.step/mic5209-3-3ys-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mic5209-3-3ys-tr.step/mic5209-3-3ys-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (30 pp, sha256
46148b9c0d4d1f14, retrieved 2026-10-27, tier: manufacturer) - 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).
# MIC5209-3.3YS-TR
**Microchip Tech** · Linear Voltage Regulators (LDO) · SOT-223
MIC5209-3.3YS-TR from Microchip Tech, in a SOT-223. 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 operating supply range is +2.5V to +16V and the absolute maximum supply voltage is -20V to +20V. |
| 2 | GND | power_in | Ground; SOT-223 pin 2 and TAB are internally connected. |
| 3 | OUT | power_out | Regulator output; a 1 µF minimum output capacitor is required for basic fixed-voltage applications. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOT-223 |
| Category | Power Management ICs |
| Pins | 3 |
## 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 | -1 | | 1 | % | | 5 |
| % Variation from nominal VOUT | VOUT | -2 | | 2 | % | | 5 |
| Line Regulation | ∆VOUT/VOUT | | 0.009 | 0.05 | % | VIN = VOUT + 1V to 16V | 5 |
| Line Regulation | ∆VOUT/VOUT | | | 0.1 | % | VIN = VOUT + 1V to 16V | 5 |
| Load Regulation | ∆VOUT/VOUT | | 0.05 | 0.5 | % | IL = 100 µA to 500 mA, Note 3 | 5 |
| Load Regulation | ∆VOUT/VOUT | | | 0.7 | % | IL = 100 µA to 500 mA, Note 3 | 5 |
| Dropout Voltage | VIN, VOUT | | 10 | 60 | mV | IL = 100 µA | 5 |
| Dropout Voltage | VIN, VOUT | | | 80 | mV | IL = 100 µA | 5 |
| Dropout Voltage | VIN, VOUT | | 115 | 175 | mV | IL = 50 mA | 5 |
| Dropout Voltage | VIN, VOUT | | | 250 | mV | IL = 50 mA | 5 |
| Dropout Voltage | VIN, VOUT | | 165 | 300 | mV | IL = 150 mA | 5 |
| Dropout Voltage | VIN, VOUT | | | 400 | mV | IL = 150 mA | 5 |
| Dropout Voltage | VIN, VOUT | | 350 | 500 | mV | IL = 500 mA | 5 |
| Dropout Voltage | VIN, VOUT | | | 600 | mV | IL = 500 mA | 5 |
| Ground Pin Current | IGND | | 80 | 130 | µA | VEN ≥ 3.0V, IOUT = 100 µA | 5 |
| Ground Pin Current | IGND | | | 170 | µA | VEN ≥ 3.0V, IOUT = 100 µA | 5 |
| Ground Pin Current | IGND | | 350 | 650 | µA | VEN ≥ 3.0V, IOUT = 50 mA | 5 |
| Ground Pin Current | IGND | | | 900 | µA | VEN ≥ 3.0V, IOUT = 50 mA | 5 |
| Ground Pin Current | IGND | | 1.8 | 2.5 | mA | VEN ≥ 3.0V, IOUT = 150 mA | 5 |
| Ground Pin Current | IGND | | | 3 | mA | VEN ≥ 3.0V, IOUT = 150 mA | 5 |
| Ground Pin Current | IGND | | 8 | 20 | mA | VEN ≥ 3.0V, IOUT = 500 mA | 5 |
| Ground Pin Current | IGND | | | 25 | mA | VEN ≥ 3.0V, IOUT = 500 mA | 5 |
| Ground Pin Quiescent Current | IGND | | 0.05 | 3 | µA | VEN ≤ 0.4V (shutdown) | 5 |
| Ground Pin Quiescent Current | IGND | | 0.1 | 8 | µA | VEN ≤ 0.18V (shutdown) | 5 |
| Current Limit | ILIMIT | | 700 | 900 | mA | VOUT = 0V | 5 |
| Current Limit | ILIMIT | | | 1000 | mA | VOUT = 0V | 5 |
| Output Voltage Temperature Coefficient | ∆VOUT/∆T | | 40 | | ppm/°C | Note 2 | 5 |
| Supply Voltage (VIN) absolute maximum | VIN | -20 | | 20 | V | | 4 |
| ESD Rating SOT-223 HBM | | | | 2 | kV | HBM | 4 |
| ESD Rating SOT-223 MM | | | | 300 | V | MM | 4 |
| Supply Voltage (VIN) operating | VIN | 2.5 | | 16 | V | | 4 |
| Storage Temperature Range | TS | -65 | | 150 | °C | | 7 |
| Lead Temperature | | | | 260 | °C | Soldering, 5 sec. | 7 |
| Junction Temperature | TJ | -40 | | 125 | °C | 2.5V ≤ VOUT ≤ 15V | 7 |
| Thermal Resistance SOT-223 junction to ambient | θJA | | 62 | | °C/W | EIA/JEDEC JES51-751-7, 4 Layer Board | 7 |
| Thermal Resistance SOT-223 junction to case | θJC | | 15 | | °C/W | | 7 |
## CAD (KiCad official)
- Symbol: `MIC5209-3.3YS-TR`
- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`
- 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files: `mic5209-3-3ys-tr-etched.step` / `mic5209-3-3ys-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mic5209-3-3ys-tr.step` / `mic5209-3-3ys-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Microchip Tech datasheet](docs/mic5209-3-3ys-tr-datasheet.pdf) (30 pp, sha256 `46148b9c0d4d1f14`, retrieved 2026-10-27, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/mic5209-3-3ys-tr-datasheet.pdf)