Datasheet Analog Devices LTC3770EG#TRPBF — 数据表

LTC3770
Fast No RSENSETM Step-Down
Synchronous Controller with
Margining, Tracking and PLL
DESCRIPTION FEATURES Wide VIN Range: 4V to 32V
±0.67% 0.6V Reference Voltage
Output Voltage Tracking Capability
Programmable Margining
Sense Resistor Optional
True Current Mode Control
2% to 90% Duty Cycle at 200kHz
tON(MIN) ≤ 100ns
Phase-Locked Loop Frequency Synchronization
Powerful Dual N-Channel MOSFET Driver
Adjustable Cycle-by-Cycle Current Limit
Adjustable Switching Frequency
Programmable Soft-Start
Current Foldback Protection (Disabled at Start-Up)
Output Overvoltage Protection
Micropower Shutdown: IQ < 30μA
Power Good Output Voltage Monitor
Tracks the Reference Input Pin
Available in (5mm × 5mm) QFN and 28-Lead …