E-CMOS EC3278
The EC3278 is a monolithic synchronous buck regulator.GENERAL DESCRIPTION
FEATURES
● The device integrates two 90mΩ MOSFETs, and provides● 2.4A of continuous load current over a wide input voltage
● of 4.75V to 32V. Current mode control provides fast
● transient response and cycle-by-cycle current limit.
● An adjustable soft-start prevents inrush current at turn-on,
● and in shutdown mode the supply current drops to 1µA.
● This device, available in an SOP-8(Exposed PAD)
● package, provides a very compact solution with minimal
● external components.
● 2.4A Output Current Wide 4.75V to 32V Operating Input Range Integrated 90mΩ Power MOSFET Switches Output Adjustable from 0.923V to 30V Up to 93% Efficiency Programmable Soft-Start Stable with Low ESR Ceramic Output Capacitors Fixed 200KHz Frequency Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout
APPLICATIONS
● Distributed Power Systems● Networking Systems
● FPGA, DSP, ASIC Power Supplies
● Green Electronics/ Appliances
● Notebook Computers Typical Application Circuit Fig1.