文档介绍：TPS5410-Q1
......................................................................................................................................................................................... SLVSA23 –SEPTEMBER 2009
1-A, WIDE INPUT RANGE, STEP-DOWN SWIFT™ CONVERTER
Check for Samples: TPS5410-Q1
1FEATURES APPLICATIONS
2• Qualified for Automotive Applications • Consumer: Set-top Box, DVD, LCD Displays
• Wide Input Voltage Range: V to 36 V • Industrial and Car Audio Power Supplies
• Up to 1-A Continuous (-A Peak) Output • Battery Chargers, High Power LED Supply
Current • 12-V/24-V Distributed Power Systems
• High Efficiency up to 95% Enabled by 110-mΩ
Integrated MOSFET Switch DESCRIPTION
• Wide Output Voltage Range: Adjustable Down As a member of the SWIFT™ family of DC/DC
to V with % Initial Accuracy regulators, the TPS5410 is a high-output-current
PWM converter that integrates a low resistance high
• pensation Minimizes External
side N-channel MOSFET. Included on the substrate
Parts Count with the listed features is a high performance voltage
• Fixed 500-kHz Switching Frequency for Small error amplifier that provides tight voltage regulation
Filter Size accuracy under transient conditions; an
• Improved Line Regulation and Transient undervoltage-lockout circuit to prevent start-up until
Response by Input Voltage Feed Forward the input voltage reaches V; an internally set
slow-start circuit to limit inrush currents; and a voltage
• System Protected by Over Current Limiting, feed-forward circuit to improve the transient
Over Voltage Protection and Thermal response. Using the ENA pin, shutdown supply
Shutdown current is reduced to 18 μA typically. Other features
•–40°C to 125°C Operating Junction include an active high enable, overcurrent limiting,
Temperature Range overvoltage protection and thermal shutdown. To
reduce plexity and ponent
• Available in Small 8-Pin SOIC Package count, the TPS5410 feedbac