LTC3372 60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs
FEATURES
DESCRIPTION
nn HV Buck Control...
LTC3372 60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs
FEATURES
DESCRIPTION
nn HV Buck Controller: VIN = 4.5V to 60V, VOUT = 5V/3.3V The LTC®3372 is a highly flexible multioutput power supply
nn LV Buck
Regulators: VINA-H = 2.25V to 5.5V,
IC. The device includes a high-performance, high voltage
VOUT1-4 ≥ 0.8V
(HV) step-down DC/DC switching
regulator controller that
nn 8×1A LV Buck Integrated Power Stages, Configurable drives an all N-channel synchronous power FET stage
as 2, 3 or 4 Output Channels
from a 4.5V to 60V input.
nn 8 Unique Output Configurations (1A to 4A Per Channel) nn Low Total No-Load Input Supply Current (IQ)
nn 15µA HV Controller Only (5VOUT) nn 23μA HV Controller Only (3.3VOUT) nn 33μA HV Controller (3.3VOUT) Plus One LV
Regulator nn 9μA Per Additional LV
Regulator Channel nn 1MHz to 3MHz Operation (HV Runs at 1/6 Frequency)
The LTC3372 also includes four low voltage (LV) synchronous buck
regulators that can be programmed by ...