Datasheet Analog Devices LTC7812EUH#TRPBF — Datenblatt

LTC7812
Low IQ, 38V Synchronous
Boost+Buck Controller
FEATURES DESCRIPTION Synchronous Boost and Buck Controllers
n When Cascaded, Allows V Above, Below or Equal
IN
to Regulated VOUT
n Output Remains in Regulation Through Input Dips
(e.g., Cold Crank) Down to 2.5V
n Wide Bias Input Voltage Range: 4.5V to 38V
n Low Input and Output Ripple
n Low EMI
n Fast Output Transient Response
n High Light Load Efficiency
n Low Operating I : 33µA (Both Channels On)
Q
n Low Operating I : 28µA (Buck Channel On)
Q
n R
or
Lossless
DCR Current Sensing
SENSE …