® ACT4060B Rev 1, 23-May-12 18V/2A Step-Down DC/DC Converter
FEATURES
• 2A Output Current • Wide 4.
5V to 18V Operating Input Range • Synchronous Buck Topology • Integrated 130mΩ Power
MOSFET Switches • Output Adjustable from 0.
923V to 12V
• Up to 96% Efficiency • Stable with Low ESR Ceramic Output
Capacitors
• Internal Soft Start • 1.
5mA Low Standby Input Current • High Light Load Efficiency • Cycle-by-Cycle Over Current Limit • Input Under
Voltage Lockout • Hiccup Protection at Short Circuit and Over
Current
• Low Power Loss at Output Short • Frequency Fold Back Protection • Low Power Dissipation at Over Current and
Short Circuit
APPLICATIONS
• LCD-TV
• Set-top Box
• Distributed Power Sys...