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High Frequency Synchronous Step-Down Voltage Mode DC/DC Controller
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LTC3775
High Frequency
Synchronous Step-Down
Voltage Mode DC/DC
Controller
DESCRIPTION FEATURES Wide VIN Range: 4.5V to 38V
Line Feedforward Compensation
Low Minimum On-Time: tON(MIN) < 30ns
Powerful Onboard MOSFET Drivers
Leading Edge Modulation Voltage Mode Control
±0.75%, 0.6V Reference Voltage Accuracy Over
Temperature
VOUT Range: 0.6V to 0.8VIN
Programmable, Cycle-by-Cycle Peak Current Limit
Sense Resistor or RDS(ON) Current Sensing
Programmable Soft-Start
Synchronizable Fixed Frequency from 250kHz to 1MHz
Selectable Pulse-Skipping or Forced Continuous
Modes of Operation
Low Shutdown Current: 14μA Typical
Thermally Enhanced 16-Lead MSOP and 3mm × 3mm
QFN Packages APPLICATIONS n The LTC®3775 is a high efficiency synchronous step-down
switching DC/DC controller that drives an all N-channel …