Datasheet Analog Devices LTC7878AUH#PBF — 数据表

LTC7878
70V Parallelable 4-Switch
Buck-Boost Controller with Inductor
DCR Current Sensing
DESCRIPTION FEATURES Single Inductor Architecture Allows VIN Above,
Below or Equal to the Regulated VOUT
n Synchronous Rectification: Up to 98% Efficiency
n Wide V Voltage Range: 5V to 70V
IN
n ±1% Output Voltage Accuracy: 1V ≤ V
OUT ≤ 70V
n DCR or R
Current
Sensing
SENSE
n Peak Current Mode Control in Buck/Boost/BuckBoost Mode
n Programmable Input or Output Current Regulatio 7V NMOS Gate Drivers
n Phase-Lockable Frequency (100kHz to 600kHz)
n Multiphase/Multi-ICs Parallel Operatio Selectable Continuous or Pulse-Skipping Mode
Operation and Inductor Peak Current Limits
n Small 32-Lead 5mm × 5mm QFN Package
n 48-Lead 7mm x 7mm x 0.75mm LFCSP Package The LTC®7878 is a high performance buck-boost switching regulator controller that operates from an input voltage above, below or equal to the output voltage. The constant-frequency, peak current mode architecture allows
a phase-lockable switching frequency of up to 600kHz, …