TPS5450-EP
www.ti.com .... SLVS935 – JULY 2009
5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT™ CONVERTER
FEATURES
1
•2 Qualified for Automotive Applications • Wide Input Voltage Range: 5.5 V to 36 V • Up to 5-A Continuous (6-A Peak) Output
Current
• High Efficiency Greater than 90% Enabled by 110-mΩ Integrated.
Step-Down Converter
TPS5450-EP
www.ti.com .... SLVS935 – JULY 2009
5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT™ CONVERTER
FEATURES
1
•2 Qualified for Automotive Applications • Wide Input Voltage Range: 5.5 V to 36 V • Up to 5-A Continuous (6-A Peak) Output
Current
• High Efficiency Greater than 90% Enabled by 110-mΩ Integrated MOSFET Switch
• Wide Output Voltage Range: Adjustable Down to 1.22 V with 1.5% Initial Accuracy
• Internal Compensation Minimizes External Parts Count
• Fixed 500-kHz Switching Frequency for Small Filter Size
• 18-µA Shutdown Supply Current • Improved Line Regulation and Transient
Response by Input Voltage Feed Forward
• System Protected by Overcurrent Limiting, Overvoltage Protection, and Thermal Shutdown
• Available in Small Thermally Enhanced 8-Pin SOIC PowerPAD™ Package
• For SWIFT™ Documentation, Application Reports and Design Software, See the TI Website at www.ti.com/swift
APPLICATIONS
• High-Density Point-of-Load Regulators • LCD Displays, Plasma Displays • Battery Chargers • 12-V/24-V Distributed Power Systems
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
• Controlled Baseline • One Assembly/Test Site • One Fabrication Site • Available in Military (–55°C/125°C)
Temperature Range(1)
• Extended Product Life Cycle • Extended Product-Change Notification • Product Traceab.