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MIC5239-5.0YS-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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MIC5239-5.0YS-TR

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

MIC5239-5.0YS-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 Power supply input, operating range 2.3V to 30V (absolute maximum -20V to +32V).
2 GND power_in Ground pin of the SOT-223 package.
3 OUT power_out Regulated output, stable with ceramic or tantalum output capacitor and delivering up to 500mA continuous.

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 (25°C) VOUT -1 1 % Variation from nominal VOUT 4
Output Voltage Accuracy (-40°C ≤ TJ ≤ +125°C) VOUT -2 2 % Variation from nominal VOUT 4
Line Regulation ΔVOUT/VOUT 0.06 0.5 % VIN = VOUT +1V to 30V 4
Load Regulation ΔVOUT/VOUT 15 30 mV IOUT = 100µA to 500mA 4
Dropout Voltage ΔV 50 mV IOUT = 100µA 4
Dropout Voltage ΔV 260 350 mV IOUT = 150mA 4
Dropout Voltage (full temp) ΔV 400 mV IOUT = 150mA 4
Dropout Voltage ΔV 350 mV IOUT = 500mA 4
Ground Pin Current IGND 23 40 µA VEN ≥ 2.0V, IOUT = 100µA 4
Ground Pin Current (full temp) IGND 45 µA VEN ≥ 2.0V, IOUT = 100µA 4
Ground Pin Current IGND 1.3 5 mA VEN ≥ 2.0V, IOUT = 150mA 4
Ground Pin Current IGND 8.5 15 mA VEN ≥ 2.0V, IOUT = 500mA 4
Ground Pin Shutdown Current IGND(SHDN) 0.1 1 µA VEN ≤ 0.6V, VIN = 30V 4
Short Circuit Current ISC 850 1200 mA VOUT = 0V 4
FLAG Output Low Voltage VOL 150 mV VIN = VOUT(nom), 0.12VOUT, IOL = 200µA 4
Enable Input Low Voltage VIL 0.6 V regulator off 4
Enable Input High Voltage VIH 2 V regulator on 4
Enable Input Current IIN -1 0.01 1 µA VEN = 0.6V, regulator off 4
Enable Input Current (full temp) IIN -2 2 µA VEN = 0.6V, regulator off 4
Enable Input Current IIN 0.15 1 µA VEN = 2.0V, regulator on 4
Enable Input Current (full temp) IIN 2 µA VEN = 2.0V, regulator on 4
Enable Input Current IIN 0.5 2.5 µA VEN = 30V, regulator on 4
Enable Input Current (full temp) IIN 5 µA VEN = 30V, regulator on 4
Supply Voltage (absolute maximum) VIN -20 32 V 4
Enable Input Voltage (absolute maximum) VEN -0.3 32 V 4
Junction Temperature (absolute maximum) TJ -40 125 °C 4
Storage Temperature TS -65 150 °C 4
Lead Temperature 260 °C soldering, 5 sec. 4
Supply Voltage (operating) VIN 2.3 30 V 4
Enable Input Voltage (operating) VEN 0 30 V 4
Junction Temperature (operating) TJ -40 125 °C 4
Thermal Resistance Junction-to-Ambient SOT-223 θJA 50 °C/W SOT-223 mounted on PC board 4
FLAG Low Threshold VFLG 94 % % of VOUT 4
FLAG High Threshold VFLG 95 % % of VOUT 4
FLAG Output Leakage ILEAK 0.1 µA VOH = 30V 4
Output Noise en 160 µVrms 10Hz to 100kHz, VOUT = 3.0V, CL = 3.3µF 4

CAD (KiCad official)

  • Symbol: MIC5239-5.0YS-TR
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: mic5239-5-0ys-tr-etched.step / mic5239-5-0ys-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5239-5-0ys-tr.step / mic5239-5-0ys-tr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (14 pp, sha256 2ce7b3cb44b7f5e7, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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