
Richtek Technology
General Description
The RT8279 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
● 5A Output Current
● Internal Soft-Start
● 110mΩ Internal Power MOSFET Switch
● Internal Compensation Minimizes External Parts Count
● High Efficiency up to 90%
● 25μA Shutdown Mode
● Fixed 500kHz Frequency
● Thermal Shutdown
● Cycle-by-Cycle Over Current Protection
● Wide 5.5V to 36V Operating Input Range
● Adjustable Output Voltage from 1.222V to 26V
● Available In an SOP8 (Exposed Pad) Package
● RoHS Compliant and Halogen Free
APPLICATIONs
● Distributive Power Systems
● Battery Charger
● DSL Modems
● Pre-regulator for Linear Regulators