Features
 Supply Voltage: 5V/12V
 VIN Input Range: 3.0V to 13.2V
0.6V to 80% of VIN Output Range
Internal Reference: 0.6V
 Support Tracking Mode and Stand-Alone Mode
 Simple Single-Loop Control
Voltage-Mode PWM Control
Duty Cycle: 0% to 80%
Fast Transient Response
 Fixed Oscillator Frequency: 200/300kHz
 Lossless, Programmable Over Current Protection
(Uses Lower MOSFET RDS(ON) )
 Start-Up into Pre-biased Output
 Built-In Thermal Shutdown
 Built-In Soft-Start
 Over Current/Voltage Protection
 Under Voltage Protection
 Integrated Boot Diode
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)

Applications
 Power Supplies for Microprocessors/Peripherals
PCs, Embedded Controllers, Memory Supplies
DSP and Core Communications Processor Supplies
 Subsystem Power Supplies
PCI, AGP, Graphics Cards and Digital TV
SSTL-2 and DDR/2/3 SDRAM Bus Termination Supply
 Cable Modems, Set Top Boxes, and DSL
Modems
 Industrial Power Supplies and General Purpose Supplies
 5V/12V Input DC-DC Regulators
 Low-Voltage Distributed Power Supplies