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MIC5209-5.0YS

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Microchip Tech Linear Voltage Regulators (LDO), SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC5209-5.0YS

Microchip Tech · Linear Voltage Regulators (LDO) · SOT-223-3

MIC5209-5.0YS from Microchip Tech, in a SOT-223-3. 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; operating ratings give VIN of +2.5V to +16V, and the absolute maximum supply voltage is -20V to +20V.
2 GND power_in Ground; SOT-223 pin 2 and the TAB are internally connected.
3 OUT power_out Regulator output guaranteeing 500 mA over the full operating temperature range, with a maximum dropout of 500 mV at full load.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-223-3
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
Output Voltage Accuracy (% variation from nominal VOUT, bold values) VOUT -2 2 % Bold values, -40°C ≤ TJ ≤ +125°C 5
Line Regulation ΔVOUT/VOUT 0.009 0.05 % VIN = VOUT + 1V to 16V 5
Line Regulation (bold values) ΔVOUT/VOUT 0.1 % Bold values, -40°C ≤ TJ ≤ +125°C; VIN = VOUT + 1V to 16V 5
Load Regulation ΔVOUT/VOUT 0.05 0.5 % IL = 100 µA to 500 mA, Note 3 5
Load Regulation (bold values) ΔVOUT/VOUT 0.7 % Bold values, -40°C ≤ TJ ≤ +125°C; IL = 100 µA to 500 mA, Note 3 5
Dropout Voltage VIN, VOUT 10 60 mV IL = 100 µA 5
Dropout Voltage (bold values) VIN, VOUT 80 mV Bold values, -40°C ≤ TJ ≤ +125°C; IL = 100 µA 5
Dropout Voltage VIN, VOUT 115 175 mV IL = 50 mA 5
Dropout Voltage (bold values) VIN, VOUT 250 mV Bold values, -40°C ≤ TJ ≤ +125°C; IL = 50 mA 5
Dropout Voltage VIN, VOUT 165 300 mV IL = 150 mA 5
Dropout Voltage (bold values) VIN, VOUT 400 mV Bold values, -40°C ≤ TJ ≤ +125°C; IL = 150 mA 5
Dropout Voltage VIN, VOUT 350 500 mV IL = 500 mA 5
Dropout Voltage (bold values) VIN, VOUT 600 mV Bold values, -40°C ≤ TJ ≤ +125°C; IL = 500 mA 5
Ground Pin Current IGND 80 130 µA VEN ≥ 3.0V, IOUT = 100 µA 5
Ground Pin Current (bold values) IGND 170 µA Bold values, -40°C ≤ TJ ≤ +125°C; VEN ≥ 3.0V, IOUT = 100 µA 5
Ground Pin Current IGND 350 650 µA VEN ≥ 3.0V, IOUT = 50 mA 5
Ground Pin Current (bold values) IGND 900 µA Bold values, -40°C ≤ TJ ≤ +125°C; 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 (bold values) IGND 3 mA Bold values, -40°C ≤ TJ ≤ +125°C; VEN ≥ 3.0V, IOUT = 150 mA 5
Ground Pin Current IGND 8 20 mA VEN ≥ 3.0V, IOUT = 500 mA 5
Ground Pin Current (bold values) IGND 25 mA Bold values, -40°C ≤ TJ ≤ +125°C; VEN ≥ 3.0V, IOUT = 500 mA 5
Ripple Rejection PSRR 75 dB f = 120 Hz 5
Current Limit ILIMIT 700 900 mA VOUT = 0V 5
Current Limit (bold values) ILIMIT 1000 mA Bold values, -40°C ≤ TJ ≤ +125°C; VOUT = 0V 5
Thermal Regulation ΔVOUT/ΔPD 0.05 %/W Note 7 5
Output Voltage Temperature Coefficient ΔVOUT/ΔT 40 ppm/°C Note 2 5
Supply Voltage (VIN) absolute maximum VIN -20 20 V 4
Supply Voltage (VIN) operating range VIN 2.5 16 V 4
Lead Temperature 260 °C Soldering, 5 sec. 7
Storage Temperature Range TS -65 150 °C 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 JESD51-7, 4 Layer Board 7
Thermal Resistance SOT-223 junction to case θJC 15 °C/W 7

CAD (KiCad official)

  • Symbol: MIC5209-5.0YS
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223-3 (KiCad packages3D, STEP)
  • 3D model files: mic5209-5-0ys-etched.step / mic5209-5-0ys-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5209-5-0ys.step / mic5209-5-0ys.glb are 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, 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