APW7057
High Power Step-Down Synchronous DC/DC Controller
Features
• Operates from +5V Input • 0.
8V Internal Reference Voltage
- ±1.
5% Accuracy Over Line, Load and Temp.
•
0.
8V to V Output Range CC
• Full Duty Cycle Range
- 0% to 100%
• Internal Loop Compensation • Internal Soft Start
- Typical 2ms
• Programmable Over-Current Protection
- Lossless Sensing Using MOSFET RDS (ON)
• Under-Voltage Protection • Drives External N-Channel MOSFETs • Shutdown Control • Small SOP-8 Package
Applications
• Motherboard • Graphics Cards • Cable or DSL Modems, Set Top Boxes • DSP Supplies • Memory Supplies • 5V Input DC-DC
Regulators • Distributed Power Supplies
General Description
The APW7057 ...