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LTC3882 - Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller

Description

The LTC®3882 is a dual, PolyPhase DC/DC synchronous step-down switching regulator controller with PMBus compliant serial interface.

It uses a constant frequency, leading-edge modulation, voltage mode architecture for excellent transient response and output regulation.

Features

  • nn PMBus/I2C Compliant Serial Interface nn Monitor Voltage, Current, Temperature and Faults nn Digitally Programmable Voltage, Current Limit, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV Thresholds nn 3V ≤ VINSNS ≤ 38V, 0.5V ≤ VOUT ≤ 5.25V nn ±0.5% Output Voltage Accuracy nn Programmable PWM Frequency or External Clock Synchronization from 250kHz to 1.25MHz nn Accurate PolyPhase® Current Sharing nn Internal EEPROM with Fault Logging and ECC nn IC Supply Range: 3V to 13.2V nn Resistor or.

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Full PDF Text Transcription

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LTC3882 Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management FEATURES nn PMBus/I2C Compliant Serial Interface nn Monitor Voltage, Current, Temperature and Faults nn Digitally Programmable Voltage, Current Limit, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV Thresholds nn 3V ≤ VINSNS ≤ 38V, 0.5V ≤ VOUT ≤ 5.25V nn ±0.5% Output Voltage Accuracy nn Programmable PWM Frequency or External Clock Synchronization from 250kHz to 1.25MHz nn Accurate PolyPhase® Current Sharing nn Internal EEPROM with Fault Logging and ECC nn IC Supply Range: 3V to 13.
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