LTC3859 - Buck/Buck/Boost Synchronous Controller

Product Overview

Linear Technology

Datasheet Details

Part number	LTC3859
Manufacturer	Linear Technology
File Size	717.38 KB
Description	Buck/Buck/Boost Synchronous Controller
Datasheet	LTC3859 Datasheet
Additional preview pages of the LTC3859 datasheet.

Product details

Description

The LTC®3859 is a high performance triple output (buck/ buck/boost) synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages.

Features

n Dual Buck Plus Single Boost Synchronous Controllers n Outputs Remain in Regulation Through Cold Crank Down to 2.5V n Low Operating IQ: 55μA (One Channel On) n Wide Bias Input Voltage Range: 4.5V to 38V n Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n Boost Output Voltage Up to 60V n RSENSE or DCR Current Sensing n 100% Duty Cycle for Boost Synchronous MOSFET n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Continuous, Pulse-Skipping or.

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Other Datasheets by Linear Technology

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Published: Jul 27, 2010 |