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LTC3886 Datasheet 60V Dual Output Step-Down Controller

Manufacturer: Analog Devices

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General Description

n PMBus/I2C Compliant Serial Interface n Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults n Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC, Frequency, and Control Loop Compensation n Output Error Less Than ±0.5% Over Temperature n Integrated 16-Bit ADC and 12-Bit DAC n Integrated High Side Current Sense Amplifier n Internal EEPROM with ECC and Fault Logging n Integrated N-Channel MOSFET Gate Drivers Power Conversion n Wide VIN Range: 4.5V to 60V n VOUT0, VOUT1 Range: 0.5V to 13.8V n Analog Current Mode Control n Accurate PolyPhase® Current Sharing for Up to 6 Phases (100kHz to 750kHz) n Available in a 52-Lead (7mm × 8mm) QFN Package APPLICATIONS The LTC®3886/LTC3886-1 is a dual PolyPhase DC/DC synchronous step-down switching regulator controller with I2C-based PMBus compliant serial interface.

This controller employs a constant-frequency, current-mode architecture, with high voltage input and output capability along with programmable loop compensation.

The LTC3886 is supported by the LTpowerPlay® software development tool with graphical user interface (GUI).

Overview

LTC3886/LTC3886-1 60V Dual Output Step-Down Controller with Digital Power System.

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