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LTC3856 - 2-Phase Synchronous Step-Down DC/DC Controller

General Description

The LTC®3856 is a single output, dual channel PolyPhase synchronous step-down DC/DC controller that drives all N-channel power MOSFET stages.

This device includes a high speed differential amplifier for remote output voltage sense.

Key Features

  • n PolyPhase® Controller Reduces Input and Output Capacitance and Power Supply Induced Noise n Wide VIN Range: 4.5V to 38V Operation n ±0.75%, 0.6V Reference Voltage Accuracy n High Efficiency: Up to 95% n Programmable Burst Mode® Operation or Stage Shedding™ for Highest Light Load Efficiency n Active Voltage Positioning (AVP) n RSENSE or DCR Current Sensing n Programmable DCR Temperature Compensation n Phase-Lockable Fixed Frequency: 250kHz to 770kHz n True Remote Sense Differential Amplifier n.

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More Datasheets from 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.

View original datasheet text
Features n PolyPhase® Controller Reduces Input and Output Capacitance and Power Supply Induced Noise n Wide VIN Range: 4.5V to 38V Operation n ±0.75%, 0.6V Reference Voltage Accuracy n High Efficiency: Up to 95% n Programmable Burst Mode® Operation or Stage Shedding™ for Highest Light Load Efficiency n Active Voltage Positioning (AVP) n RSENSE or DCR Current Sensing n Programmable DCR Temperature Compensation n Phase-Lockable Fixed Frequency: 250kHz to 770kHz n True Remote Sense Differential Amplifier n Dual N-Channel MOSFET Synchronous Drive n VOUT Range: 0.6V to 5V without Differential Amplifier n VOUT Range: 0.6V to 3.