MIC38C45YM datasheet(3/24 Pages) MICROCHIP

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DS20006436B-page 3

MIC38C42/43/44/45

1.0

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings †

Zener Current (IZ at VDD Pin).................................................................................................................................30 mA

Operation at ≥ 18V may require special precautions. See Note 1.

Supply Voltage (VDD, Note 1)....................................................................................................................................+20V

Switch Supply Voltage (VD).......................................................................................................................................+20V

Current Sense Voltage (VISNS) ................................................................................................................. –0.3V to +5.5V

Feedback Voltage (VFB)............................................................................................................................ –0.3V to +5.5V

Output Current (IOUT).................................................................................................................................................0.5A

† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of the device at those or any other conditions above those indicated

in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended

periods may affect device reliability.

Note 1: On the 8-pin version, 20V is the maximum input on Pin 7 because this is also the supply pin for the output

stage. On the 14-pin version, 40V is the maximum for Pin 12 and 20V is the maximum for Pin 11.

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