Features

• Operates from +5V Input

• 0.8V to VIN Output Range

- 0.8V Internal Reference

- ±1.5 Over Line Voltage and Temperature

• Drives N-Channel MOSFETs

• Simple Single-Loop Control Design

- Voltage-Mode PWM Control

• Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0 to 100 Duty Cycle

• Lossless, Programmable Overcurrent Protection

- Uses Upper MOSFET’s rDS(on)

• Converter Can Source and Sink Current

• Small Converter Size

- 300kHz Fixed Frequency Oscillator

- Internal Soft Start

- 8-Lead SOIC Package

Applications

• Cable/DSL Routers and DSL Modems

• DSP and Core Communications Processor Supplies

• Broadband Gateways

• Memory Supplies

• Industrial Power Supplies

• 5V-Input DC-DC Regulators

• Low-Voltage Distributed Power Supplies