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LTC3708 - Fast 2-Phase Buck Controller

General 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.

Key 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 Time.

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Other Datasheets by Linear Technology (now Analog Devices)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.