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MIC29302AWD

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Microchip Tech Linear Voltage Regulators (LDO), TO-252-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC29302AWD

Microchip Tech · Linear Voltage Regulators (LDO) · TO-252-5

MIC29302AWD from Microchip Tech, in a TO-252-5. 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 EN input Enable input is active-high and TTL/CMOS-compatible, and it must not be left floating.
2 IN power_in Unregulated input supply, rated from +3V to +16V maximum.
3 GND power_in Ground pin; the TAB is also connected internally to the IC's ground on this package.
4 OUT power_out Regulator output voltage pin.
5 ADJ input Feedback input at 1.24V, set by an external resistor divider between OUT, ADJ and GND.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TO-252-5
Category Power Management ICs
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Input Voltage VIN 3 16 V 3
Junction Operating Temperature Range TJ -40 125 °C 5
Input Supply Voltage VIN -20 20 V 3
Enable Input Voltage VEN -0.3 V Upper limit is VIN (no numeric maximum printed) 3
Storage Temperature Range TS -65 150 °C 5
Output Voltage Accuracy ∆VOUT -2 2 % 100 mA ≤ IOUT ≤ 3A, (VOUT + 1V) ≤ VIN ≤ 16V 3
Line Regulation ∆VOUT/∆VIN 0.1 0.5 % IOUT = 100 mA, (VOUT + 1V) ≤ VIN ≤ 16V 3
Load Regulation ∆VOUT/∆IOUT 0.2 1 % VIN = VOUT + 1V, 100 mA ≤ IOUT ≤ 3A 3
Dropout Voltage VDO 100 200 mV IOUT = 100 mA, VIN ≥ 3.184V 3
Dropout Voltage VDO 560 800 mV IOUT = 3A, VIN ≥ 3.4V 3
Ground Current IGND 5 20 mA IOUT = 750 mA, VIN = VOUT + 1V 3
Ground Current IGND 60 150 mA IOUT = 3A 3
Current Limit ILIMIT 3 4 A VOUT = 0V, Note 3 3
Reference Voltage VREF 1.215 1.267 V Note 4 3
Adjust Pin Bias Current IADJ 40 120 nA Max 120 applies to bold values, -40°C ≤ TJ ≤ +125°C 3
Input Logic Voltage Low (OFF) VENABLE 0.8 V Low (OFF) 4
Input Logic Voltage High (ON) VENABLE 2.4 V High (ON) 4
Enable Pin Input Current IENABLE 15 30 µA VEN = 4.2V 4
Enable Pin Input Current IENABLE 75 µA VEN = 4.2V, bold values -40°C ≤ TJ ≤ +125°C 4
Enable Pin Input Current IENABLE 2 µA VEN = 0.8V 4
Enable Pin Input Current IENABLE 4 µA VEN = 0.8V, bold values -40°C ≤ TJ ≤ +125°C 4
Regulator Output Current in Shutdown IOUT-SHDN 10 20 µA Note 5 4
Thermal Resistance TO-252 JC 3 °C/W 5
Thermal Resistance TO-252 JA 35 °C/W 5
Dropout Voltage VDO 300 mV IOUT = 1.5A, VIN ≥ 3.184V 3
Dropout Voltage VDO 500 mV IOUT = 2.75A, VIN ≥ 3.184V 3
Ground Current IGND 15 mA IOUT = 1.5A 3
Ground Pin Current at Dropout IGNDDO 2 mA VIN = 0.5V less than specified VOUT; IOUT = 10 mA 3
Output Noise Voltage (10 Hz to 100 kHz) eN 400 µVRMS CL = 10 µF 3
Output Noise Voltage (10 Hz to 100 kHz) eN 260 µVRMS CL = 33 µF 3
Ground Pin Current in Shutdown ISHDN 32 µA Input Voltage VIN = 16V 3

CAD (KiCad official)

  • Symbol: MIC29302AWD
  • Footprint: Package_TO_SOT_SMD:TO-252-5_TabPin6
  • 3D model: TO-252-5 (KiCad packages3D, STEP)
  • 3D model files: mic29302awd-etched.step / mic29302awd-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic29302awd.step / mic29302awd.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (24 pp, sha256 7ab2675814b16914, retrieved 2026-10-28, 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