LTC3858 - Synchronous Step-Down Controller

Product Overview

Linear Technology

Part number	LTC3858
Manufacturer	Linear Technology
File Size	424.15 KB
Description	Synchronous Step-Down Controller
Datasheet	LTC3858 Datasheet
Additional preview pages of the LTC3858 datasheet.

The LTC®3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages.

n Low Operating IQ: 170μA (One Channel On) n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n Wide VIN Range: 4V to 38V n RSENSE or DCR Current Sensing n Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n OPTI-LOOP® Compensation Minimizes COUT n Phase-Lockable Frequency (75kHz-850kHz) n Programmable Fixed Frequency (50kHz-900kHz) n Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads n Very Low Dropout Operation: 99% Duty Cycle n Ad.

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Published: Mar 19, 2010 |