Part LTC3542-1
Description 2.25MHz 2.8V Output Synchronous Step-Down DC/DC Converter
Manufacturer Linear Technology
Size 257.17 KB
Linear Technology

LTC3542-1 Overview

Description

The LTC®3542-1 is a high efficiency, fixed output voltage of 2.8V, monolithic synchronous buck converter using a constant frequency, current mode architecture. Supply current during operation is only 26μA, dropping to <1μA in shutdown.

Key Features

  • Fixed Output Voltage: 2.8V
  • High Peak Switch Current: 1000mA
  • Low Output Ripple (<20mV P-P Typical) Burst Mode Operation
  • Low Dropout Operation: 100% Duty Cycle
  • No Schottky Diode Required
  • Internal Soft-Start Limits Inrush Current
  • Shutdown Mode Draws <1μA Supply Current n ±2% Output Voltage Accuracy
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Overtemperature Protected
  • Available in 6-Lead 2mm × 2mm DFN n