MIC2174 Datasheet, PDF (7/24 Pages) Micrel Semiconductor – 300kHz, Synchronous Buck Controller 300kHz, Synchronous Buck Controller

Micrel, Inc.
Functional Characteristics
MIC2174
IL
(5A/div)
DH
(20V/div)
Switching Waveform (No Load)
LX
(20V/div)
DL
(5V/div)
Vhsd=24V Vin=5V Vout=1.8V L=2.7μH Iout=0A
Time 2μs/div
EN
(5V/div)
Vout
(1V/div)
Iout
(5A/div)
Power-Up/Power-Down
Vhsd=24V
Vin=5V
Vout=1.8V
Iout=5A
Time 10ms/div
September 2009
7
M9999-090409-B