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MIC5270-3.0YM5-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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MIC5270-3.0YM5-TR

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

MIC5270-3.0YM5-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 NC unconnected Not internally connected (fixed-output -3.0V version).
2 GND power_in Ground.
3 NC unconnected Not internally connected (fixed-output version; pin 3 is ADJ only on the adjustable part).
4 -OUT power_out Negative regulator output, fixed -3.0V with ±2% initial accuracy and up to 100mA output current.
5 -IN power_in Negative supply input, operating range -16V to -3.3V (absolute maximum -20V to +0.3V).

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 -2 2 % Variation from nominal VOUT, TJ = 25°C 3
Output Voltage Accuracy (full temp) VOUT -3 3 % Variation from nominal VOUT, -40°C ≤ TJ ≤ +125°C 3
Output Voltage Temperature Coefficient ΔVOUT/ΔT 100 ppm/°C Note 6 3
Line Regulation ΔVOUT/VOUT 0.05 0.15 %/V VIN = VOUT, 1V to -16V 3
Line Regulation (full temp) ΔVOUT/VOUT 0.2 %/V VIN = VOUT, 1V to -16V, -40°C ≤ TJ ≤ +125°C 3
Load Regulation ΔVOUT/VOUT 1.5 1.8 % IOUT = 100µA to 100mA, Note 7 3
Load Regulation (full temp) ΔVOUT/VOUT 2 % IOUT = 100µA to 100mA, Note 7, -40°C ≤ TJ ≤ +125°C 3
Dropout Voltage VIN, VOUT 40 mV IOUT = 100µA, Note 8 3
Dropout Voltage VIN, VOUT 360 500 mV IOUT = 50mA, Note 8 3
Dropout Voltage VIN, VOUT 500 700 mV IOUT = 100mA, Note 8 3
Dropout Voltage (full temp) VIN, VOUT 900 mV IOUT = 100mA, Note 8, -40°C ≤ TJ ≤ +125°C 3
Ground Current IGND 35 100 µA IOUT = 100µA, Note 9 3
Ground Current IGND 0.7 mA IOUT = 50mA, Note 9 3
Ground Current IGND 2.1 3 mA IOUT = 100mA, Note 9 3
Ripple Rejection PSRR 50 dB f = 120Hz 3
Current Limit ILIMIT 160 300 mA VOUT = 0V 3
Thermal Regulation ΔVOUT/ΔPD 0.05 %/W Note 10 3
Input Voltage (absolute maximum) VIN -20 0.3 V 3
Junction Temperature (absolute maximum) TJ -40 125 °C 3
Lead Temperature 260 °C soldering, 5 sec. 3
Storage Temperature TS -65 150 °C 3
Input Voltage (operating) VIN -16 -3.3 V 3
Junction Temperature (operating) TJ -40 125 °C 3
Thermal Resistance Junction to Ambient θJA 235 °C/W Note 4, minimum footprint board layout 3

CAD (KiCad official)

  • Symbol: MIC5270-3.0YM5-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic5270-3-0ym5-tr-etched.step / mic5270-3-0ym5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5270-3-0ym5-tr.step / mic5270-3-0ym5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (8 pp, sha256 72e1a9b49c2d7c9c, retrieved 2026-10-27, 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