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MIC5219-3.0YM5-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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MIC5219-3.0YM5-TR

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

MIC5219-3.0YM5-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 operating ratings give +2.5V to +12V, and the absolute maximum supply input voltage is -20V to +20V.
2 GND power_in Ground pin, which serves as the common return for the regulator and must be connected to the system ground.
3 EN input CMOS-compatible enable input: logic high (2.0V or above) enables the regulator, while logic low (0.4V or below) or an open pin shuts it down.
4 BYP passive Reference bypass for the fixed-voltage variant: an optional 470pF capacitor to GND reduces output noise, and the pin may be left open.
5 OUT power_out Regulator output, which requires an output capacitor of at least 1µF without the BYP capacitor or at least 2.2µF with a 470pF BYP capacitor to prevent oscillation.

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 VOUT -1 1 % Accuracy variation from nominal VOUT 4
Output Voltage Accuracy (bold range) VOUT -2 2 % Accuracy variation from nominal VOUT 4
Output Voltage Temperature Coefficient ΔVOUT/ΔT 40 ppm/°C Note 4 4
Line Regulation ΔVOUT/VOUT 0.009 0.05 %/V VIN = VOUT + 1V to 12V 4
Line Regulation (bold range) ΔVOUT/VOUT 0.1 %/V VIN = VOUT + 1V to 12V 4
Load Regulation ΔVOUT/VOUT 0.05 0.5 % IOUT = 100µA to 500mA, Note 5 4
Load Regulation (bold range) ΔVOUT/VOUT 0.7 % IOUT = 100µA to 500mA, Note 5 4
Dropout Voltage at 100µA VIN, VOUT 10 60 mV IOUT = 100µA 4
Dropout Voltage at 100µA (bold range) VIN, VOUT 80 mV IOUT = 100µA 4
Dropout Voltage at 50mA VIN, VOUT 115 175 mV IOUT = 50mA 4
Dropout Voltage at 50mA (bold range) VIN, VOUT 250 mV IOUT = 50mA 4
Dropout Voltage at 150mA VIN, VOUT 175 300 mV IOUT = 150mA 4
Dropout Voltage at 150mA (bold range) VIN, VOUT 400 mV IOUT = 150mA 4
Dropout Voltage at 500mA VIN, VOUT 350 500 mV IOUT = 500mA 4
Dropout Voltage at 500mA (bold range) VIN, VOUT 600 mV IOUT = 500mA 4
Ground Pin Current at 100µA IGND 80 130 µA VEN ≥ 3.0V, IOUT = 100µA 4
Ground Pin Current at 100µA (bold range) IGND 170 µA VEN ≥ 3.0V, IOUT = 100µA 4
Ground Pin Current at 50mA IGND 350 650 µA VEN ≥ 3.0V, IOUT = 50mA 4
Ground Pin Current at 50mA (bold range) IGND 900 µA VEN ≥ 3.0V, IOUT = 50mA 4
Ground Pin Current at 150mA IGND 1.8 2.5 mA VEN ≥ 3.0V, IOUT = 150mA 4
Ground Pin Current at 150mA (bold range) IGND 3 mA VEN ≥ 3.0V, IOUT = 150mA 4
Ground Pin Current at 500mA IGND 12 20 mA VEN ≥ 3.0V, IOUT = 500mA 4
Ground Pin Current at 500mA (bold range) IGND 25 mA VEN ≥ 3.0V, IOUT = 500mA 4
Ground Pin Quiescent Current IGND 0.05 3 µA VEN ≤ 0.4V 4
Ground Pin Quiescent Current IGND 0.1 8 µA VEN ≤ 0.18V 4
Ripple Rejection PSRR 75 dB f = 120Hz 4
Current Limit ILIMIT 700 1000 mA VOUT = 0V 4
Thermal Regulation ΔVOUT/ΔPD 0.05 %/W Note 9 4
Output Noise at 50mA, no CBYP eno 500 nV/ Hz IOUT = 50mA, COUT = 2.2µF, CBYP = 0 4
Output Noise at 50mA, CBYP 470pF eno 300 nV/ Hz IOUT = 50mA, COUT = 2.2µF, CBYP = 470pF 4
Enable Input Logic-Low Voltage VENL 0.4 V VEN = logic low (regulator shutdown) 4
Enable Input Logic-Low Voltage (bold range) VENL 0.18 V VEN = logic low (regulator shutdown) 4
Enable Input Logic-High Voltage VENH 2 V VEN = logic high (regulator enabled) 4
Enable Input Current (logic low) IENL -1 0.01 µA VENL ≤ 0.4V 4
Enable Input Current (logic low, bold range) IENL -2 0.01 µA VENL ≤ 0.18V 4
Enable Input Current (logic high) IENH 2 5 20 µA VENH ≥ 2.0V 4
Enable Input Current (logic high, bold range) IENH 25 µA VENH ≥ 2.0V 4
Supply Input Voltage (absolute maximum) VIN -20 20 V 4
Junction Temperature (absolute maximum) TJ -40 125 °C 4
Storage Temperature TS -65 150 °C 4
Lead Temperature (soldering, 5 sec) 260 °C Soldering, 5 sec. 4
Supply Input Voltage (operating) VIN 2.5 12 V 4
Enable Input Voltage (operating) VEN 0 V 0V to VIN 4
Junction Temperature (operating) TJ -40 125 °C 4

CAD (KiCad official)

  • Symbol: MIC5219-3.0YM5-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic5219-3-0ym5-tr-etched.step / mic5219-3-0ym5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5219-3-0ym5-tr.step / mic5219-3-0ym5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (15 pp, sha256 d708640d6774db2e, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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