Datasheet Linear Technology LTC3534EDHC#PBF

LTC3534
7V, 500mA Synchronous
Buck-Boost DC/DC
Converter
Description Features Regulated Output with Input Voltages Above,
Below or Equal to the Output
n 2.4V to 7V V and 1.8V to 7V V
IN
OUT Ranges
n 5V V
at
500mA
from
4
AA
Cells
OUT
n Single Inductor
n Synchronous Rectification: Up to 94% Efficiency
n Burst Mode® Operation with 25µA I
Q
n Output Disconnect in Shutdow 1MHz Switching Frequency
n VOUT IOUT(MAX)BURST–FOUR_SWITCH ≈ 125mA; Burst Mode operation – four switch region: VIN ≈ VOUT IOUT(MAX)BURST−BOOST ≈ 125 • VIN …