General Description
The RS6519 is a high‐efficiency asynchronous step‐down DC/DC converter that can deliver up to 3A output current from 4.75V to 20V input supply. The RS6519s current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle‐by‐cycle current limit provides protection against shorted outputs and soft‐start eliminates input current surge during start‐up.
The RS6519 also provides output under voltage protection and thermal shutdown protection. The low current (<30μA) shutdown mode provides output disconnection, enabling easy power management in battery‐powered systems.

FEATUREs
● 3A Output Current
● Up to 93% Efficiency
● Integrated 100mΩ Power MOSFET Switches
● Fixed 400KHz Frequency
● Cycle‐by‐Cycle Over Current Protection
● Thermal Shutdown function
● Wide 4.75V to 20V Operating Input Range
● Output Adjustable from 1.23V to 18V
● Programmable Under Voltage Lockout
● Available in an SOP‐8 with Exposed Pad Package
● RoHS Compliant and 100% Lead (Pb)‐Free and Green
   (Halogen Free with Commercial Standard)

APPLICATIONs
● PC Motherboard, Graphic Card
● LCD Monitor
● Set‐Top Boxes
● DVD‐Video Player
● Telecom Equipment
● ADSL Modem
● Printer and other Peripheral Equipment
● Microprocessor core supply
● Networking power supply
● Pre‐Regulator for Linear Regulators
● Green Electronics/Appliances