LT8609 - Linear Technology

LT8609 3A Synchronous Step-Down Regulator

nn Wide Input Voltage Range: 3.0V to 42V nn Ultralow Quiescent Current Burst Mode® Operation: nn <2.5µA IQ Regulating 12VIN to 3.3VOUT nn Output Ripple <10mVP-P nn High Efficiency 2MHz Synchronous Operation: nn >93% Efficiency at 1A, 5VOUT from 12VIN nn 2A Maximum Continuous Output, 3A Peak Transient Output nn Fast Minimum Switch-On Time: 45ns nn Adjustable.

Features

DESCRIPTION nn Wide Input Voltage Range: 3.0V to 42V nn Ultralow Quiescent Current Burst Mode® Operation: nn <2.5µA IQ Regulating 12VIN to 3.3VOUT nn Output Ripple <10mVP-P nn High Efficiency 2MHz Synchronous Operation: nn >93% Efficiency at 1A, 5VOUT from 12VIN nn 2A Maximum Continuous Output, 3A Peak Transient Output nn Fast Minimum Switch-On Time: 45ns nn Adjustable and Synchronizable: 200kHz to 2.2MHz nn Spread Spectrum Frequency Modulation for Low EMI nn Allows Use of Small Inductors nn Low Dropout nn Peak Current Mode Operation nn Accurate 1V Enable Pin Threshold nn Internal Compensati.