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MIC5247-1.8YM5-TR

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Microchip Tech Linear Voltage Regulators (LDO), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC5247-1.8YM5-TR

Microchip Tech · Linear Voltage Regulators (LDO) · SOT-23-5

MIC5247-1.8YM5-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, specified for VIN from +2.7V to +6V in the operating ratings with a 7V absolute maximum.
2 GND power_in Ground pin, which carries the ground pin current of 85µA typical at 0mA load per the electrical characteristics.
3 EN input CMOS-compatible enable input: logic high enables the regulator and logic low shuts it down, and it must not be left open (VEN range 0V to VIN).
4 BYP passive Reference bypass pin: connect an external 0.01µF capacitor to GND to reduce output noise, and it may be left open.
5 OUT power_out Regulator output, which requires an output capacitor of 1µF or greater for stability.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
Category Power Management ICs
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 VO -1 1 % IOUT = 0mA 3
Output Voltage Accuracy VO -2 2 % 3
Line Regulation ΔVLNR -0.3 0.3 %/V VIN = 2.7V to 6V 3
Load Regulation ΔVLDR 2 3 % IOUT = 0.1mA to 150mA(5) 3
Dropout Voltage VIN, VOUT 150 mV IOUT = 150mA(6) 3
Quiescent Current IQ 0.2 1 µA VEN ≤ 0.4V (shutdown) 3
Ground Pin Current IGND 85 150 µA IOUT = 0mA 3
Power Supply Rejection PSRR 50 dB f ≤ 1kHz 3
Current Limit ILIM 160 300 mA VOUT = 0V 3
Output Voltage Noise en 30 µVrms COUT = 10µF, CBYP = 0.01µF, f = 10Hz to 100kHz 3
Enable Input Logic-High Voltage VIH 1.6 V VIN = 2.7V to 5.5V, regulator enabled 3
Enable Input Logic-Low Voltage VIL 0.4 V VIN = 2.7V to 5.5V, regulator shutdown 3
Enable Input Current IEN 0.01 µA VIL ≤ 0.4V 3
Shutdown Resistance 500 Ω Discharge 3
Thermal Shutdown Temperature 150 °C 3
Thermal Shutdown Hysteresis 10 °C 3
Supply Input Voltage VIN 0 7 V 3
Enable Input Voltage VEN 0 V to VIN 3
Junction Temperature TJ 150 °C 3
Storage Temperature TS -65 150 °C 3
Lead Temperature 260 °C soldering, 5 sec. 3
Supply Input Voltage VIN 2.7 6 V 3
Enable Input Voltage VEN 0 V to VIN 3
Junction Temperature TJ -40 125 °C 3
Package Thermal Resistance SOT-23-5 θJA 235 °C/W minimum footprint 8
Package Thermal Resistance SOT-23-5 θJA 185 °C/W recommended footprint 8
Package Thermal Resistance SOT-23-5 θJC 145 °C/W 1 inch square copper clad 8

CAD (KiCad official)

  • Symbol: MIC5247-1.8YM5-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic5247-1-8ym5-tr-etched.step / mic5247-1-8ym5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5247-1-8ym5-tr.step / mic5247-1-8ym5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (11 pp, sha256 a279a2af5f4cf752, retrieved 2026-10-28, tier: lcsc)
  • 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