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

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.

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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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 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.
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