DESCRIPTION

The MP2309 is a monolithic synchronous buck regulator. The device integrates 140mΩ MOSFETS that provide 1A continuous load current over a wide operating input voltage of 4.75V to 23V. Current mode control provides fast transient response and cycle-by-cycle current limit.

FEATURES

• 1A Output Current

• Wide 4.75V to 23V Operating Input Range

• Integrated 140mΩ Power MOSFET Switches

• Output Adjustable from 0.923V to 20V

• Up to 95 Efficiency

• Programmable Soft-Start

• Stable with Low ESR Ceramic Output Capacitors

• Fixed 340KHz 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