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 RDS(ON)Internal 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
