LTC3412AEUF

Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 3A Automotive 16Pin QFN EP

DESCRIPTION

The LTC® 3412A is a high efficiency monolithic synchronous, step-down DC/DC converter utilizing a constant

frequency, current mode architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a

regulated output voltage from 0.8V to 5V while deliver ing up to 3A of output current.

FEATURES

■ High Effi ciency: Up to 95%

■ 3A Output Current

■ Low Quiescent Current: 64μA

■ Low RDSONInternal Switch: 77mΩ

■ 2.25V to 5.5V Input Voltage Range

■ Programmable Frequency: 300KHz to 4MHz

■ ±2% Output Voltage Accuracy

■ 0.8V Reference Allows Low Output Voltage

■ Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp

■ Synchronizable Switching Frequency

■ Low Dropout Operation: 100% Duty Cycle

■ Power Good Output Voltage Monitor

■ Overtemperature Protected

■ Available in 16-Lead Exposed Pad TSSOP and QFN Packages

APPLICATIONS

■ Point-of-Load Regulation

■ Notebook Computers

■ Portable Instruments

■ Distributed Power Systems