The EC1457 is a current mode monolithic buck switching regulator.
Operating with an input range of 4.540V, the EC1457 delivers 3A of continuous output current with an integrated high side NChannel MOSFET. At light loads, EC1457 operates in low frequency to maintain high efficiency and low output voltage ripple.
Current mode control provides tight load transient response and cyclebycycle current limiting.
The EC1457 guarantees robustness with input undervoltage lockout, startup current runaway protection, output short protection, feedback short protection and thermal protection.
The EC1457 is available in 8pin ESOP package.
◆4.5V to 40V operating input range 3A output current
◆ Up to 94% efficiency
◆ High efficiency (>78%) at light load
◆Adjustable switch frequency from 100kHz to 900kHz
◆Input undervoltage lockout
◆ Startup current runaway protection
◆Output short protection
◆Feedback short protection
◆ Thermal protection
◆ Available in ESOP8 package
◆Distributed Power Systems
◆FPGA, DSP, ASIC Power Supplies
◆Green Electronics/ Appliances