MIC2174-1YMM datasheet(7/24 Pages) MICREL

Part #	MIC2174-1YMM

Description	300kHz, Synchronous Buck Controller 300kHz, Synchronous Buck Controller

Download	24 Pages

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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7 / 24 page

Micrel, Inc.

MIC2174

September 2009

7

M9999-090409-B

Functional Characteristics

Switching Waveform (No Load)

IL

(5A/div)

DH

(20V/div)

LX

(20V/div)

DL

(5V/div)

Time 2μs/div

Vhsd=24V Vin=5V Vout=1.8V L=2.7μH Iout=0A

Iout

(5A/div)

EN

(5V/div)

Vout

(1V/div)

Time 10ms/div

Power-Up/Power-Down

Vhsd=24V

Vin=5V

Vout=1.8V

Iout=5A

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