FEATURES
n Very Low Duty Factor Operation (tON(MIN) < 85ns) n No RSENSE Option for Maximum Efficiency n Very Fast Transient Response n Programmable Output Voltage Up/Down Tracking n 2-Phase Operation Reduces Input Capacitance n 0.6V ±1% Output Voltage Reference n External Frequency Synchronization n Monotonic Soft-Start n Onboard High Current MOSFET Drivers n Wide VIN Range: Up to 36V n Adjustable Cycle-by-Cycle Current Limit n Instant Output Overvoltage Protection n Optional Short-Circuit Shutdown Timer n Power Good Output with 100µs Masking n Available in 5mm × 5mm QFN Package APPLICATIONS
n Digital Signal Processors n Network Servers LTC3708 Fast 2-Phase, No RSENSE Buck Controller with Output Tracking DESCRIPTION
The LTC®3708 is a dual, 2-phase synchronous step-down switching regulator with output voltage up/down tracking capability. The IC allows either coincident or ratiometric tracking. Multiple LTC3708s can be daisy-chained in applications requiring more than two voltages to be tracked.
Linear Technology
