General Description
The RT8289 is a step-down regulator with an internal Power MOSFET. It achieves 5A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization.

FEATUREs
High Output Current up to 5A
Internal Soft-Start
100mΩ Internal Power MOSFET Switch
Internal Compensation Minimizes External Parts Count
High Efficiency up to 90%
25μA Shutdown Current
Fixed 500kHz Frequency
Thermal Shutdown Protection
Cycle-by-Cycle Over Current Protection
Wide 5.5V to 32V Operating Input Range
Adjustable Output Voltage from 1.222V to 26V
Available in an SOP-8 (Exposed Pad) Package
RoHS Compliant and Halogen Free

APPLICATIONs
Distributive Power Systems
LCD TV
DSL Modems
Pre-regulator for Linear Regulators
Battery Charger