Monolithic Power Systems MP1494

Description

The MP1494 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a verycompact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP1494 has synchronous mode operation for higher efficiency over the output current load range.

Current-mode operation provides fast transient response and eases loop stabilization.

Full protection features include over-current protection and thermal shut down.

The MP1494 requires a minimal number of readily-available standard external components, and is available in a space-saving 8-pin TSOT23 package.

Features

• Wide 4.5V-to-16V Operating Input Range
• 100mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
• High-Efficiency Synchronous Mode Operation
• Fixed 500kHz Switching Frequency
• Synchronizes from a 200kHz-to-2MHz External Clock
• AAM Power-Save Mode
• Internal Soft-Start
• OCP Protection and Hiccup
• Thermal Shutdown
• Output Adjustable from 0.8V
• Available in an 8-pin TSOT-23 Package

Typical applications

• Distributed Power Systems
• Flat-Panel Television and Monitors
• Notebook Systems and I/O Power
• Digital Set-Top Boxes

More information

• Datasheet
• IC product information