Monolithic Power Systems MP1472

Description

The MP1472 is a monolithic synchronous buck regulator. The device integrates a 175mΩ high-side MOSFET and a 115mΩ low-side MOSFET that provide 2A of continuous load current over a wide input voltage of 4.75V to 18V. 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 8-pin TSOT23-8 package, provides a very compact solution with minimal external components.

Features

• 2A Output Current
• Wide 4.75V to 18V Operating Input Range
• Integrated Power MOSFET Switches
• Output Adjustable from 0.923V to 15V
• 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
• 8–Pin TSOT23-8

Typical applications

• Notebook Computers
• Distributed Power Systems
• FPGA, DSP, ASIC Power Supplies
• Networking Systems
• Green Electronics/ Appliances

More information

• Datasheet
• IC product information