TPS54531DDAR Description
The TPS54531DDAR is a 28-V, 5-A non-synchronous buck converter that integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode feature is automatically activated. Furthermore, the 1-μA shutdown supply current allows the device to be used in battery-powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors.
TPS54531DDAR Features
3.5 to 28-V Input Voltage Range
Adjustable Output Voltage Down to 0.8 V
Integrated 80-mΩ High-Side MOSFET Supports up to 5-A Continuous Output Current
High Efficiency at Light Loads with a Pulse Skipping Eco-mode?
Fixed 570kHz Switching Frequency
Typical 1μA Shutdown Quiescent Current
TPS54531DDAR Applications
Set-Top Boxes
CPE Equipment
LCD Displays
Peripherals
Battery Chargers
Industrial and Car Audio Power Supplies
5-V, 12-V, and 24-V Distributed Power Systems
