LTC3834 - Synchronous Step-Down Controller

Datasheet Summary

The LTC®3834 is a high performance step-down switching regulator controller that drives an all N-channel synchronous power MOSFET stage.

A constant-frequency current mode architecture allows a phase-lockable frequency of up to 650kHz.

n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V n Low Operating Quiescent Current: 30µA n OPTI-LOOP® Compensation Minimizes COUT n ±1% Output Voltage Accuracy n Wide VIN Range: 4V to 36V n Phase-Lockable Fixed Frequency 140kHz to 650kHz n Dual N-Channel MOSFET Synchronous Drive n Very Low Dropout Operation: 99% Duty Cycle n Adjustable Output Voltage Soft-Start or Tracking n Output Current Foldback Limiting n Power Good Output Voltage Monitor n Clock Output for PolyPhase®.

Linear Technology

Part number	LTC3834
Manufacturer	Linear Technology
File Size	774.61 KB
Description	Synchronous Step-Down Controller
Datasheet	LTC3834 Datasheet
Additional preview pages of the LTC3834 datasheet.

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FEATURES n Wide Output Voltage Range: 0.

Published: Jun 8, 2009 |