Datasheet Analog Devices LTC3722EGN-1#PBF — Ficha de datos

LTC3722-1/LTC3722-2
Synchronous Dual Mode
Phase Modulated
Full Bridge Controllers
DESCRIPTION FEATURES Adaptive or Manual Delay Control for Zero Voltage
Switching Operatio Adjustable Synchronous Rectification Timing for
Highest Efficiency
n Adjustable Maximum ZVS Delay
n Adjustable System Undervoltage Lockout Hysteresis
n Programmable Leading Edge Blanking
n Very Low Start-Up and Quiescent Currents
n Current Mode (LTC3722-1) or Voltage Mode
(LTC3722-2) Operatio Programmable Slope Compensatio V
CC UVLO and 25mA Shunt Regulator
n 50mA Output Drivers
n Soft-Start, Cycle-by-Cycle Current Limiting and
Hiccup Mode Short-Circuit Protectio 5V, 15mA Low Dropout Regulator
n 24-Pin Surface Mount GN Package
n APPLICATIONS Telecommunications, Infrastructure Power Systems Distributed Power Architectures
n Server Power Supplies The LTC®3722-1/LTC3722-2 phase-shift PWM controllers
provide all of the control and protection functions necessary to implement a high efficiency, zero voltage switched
(ZVS), full bridge power converter. Adaptive ZVS circuitry
delays the turn-on signals for each MOSFET independent …

LTC3722-1/LTC3722-2
Synchronous Dual Mode
Phase Modulated
Full Bridge Controllers
DESCRIPTION FEATURES Adaptive or Manual Delay Control for Zero Voltage
Switching Operatio Adjustable Synchronous Rectification Timing for
Highest Efficiency
n Adjustable Maximum ZVS Delay
n Adjustable System Undervoltage Lockout Hysteresis
n Programmable Leading Edge Blanking
n Very Low Start-Up and Quiescent Currents
n Current Mode (LTC3722-1) or Voltage Mode
(LTC3722-2) Operatio Programmable Slope Compensatio V
CC UVLO and 25mA Shunt Regulator
n 50mA Output Drivers
n Soft-Start, Cycle-by-Cycle Current Limiting and
Hiccup Mode Short-Circuit Protectio 5V, 15mA Low Dropout Regulator
n 24-Pin Surface Mount GN Package
n APPLICATIONS Telecommunications, Infrastructure Power Systems Distributed Power Architectures
n Server Power Supplies The LTCВ®3722-1/LTC3722-2 phase-shift PWM controllers
provide all of the control and protection functions necessary to implement a high efficiency, zero voltage switched
(ZVS), full bridge power converter. Adaptive ZVS circuitry
delays the turn-on signals for each MOSFET independent …