Wide Input Voltage Range: 5.5 V to 36 V · Consumer: Set-top Box, DVD, LCD Displays
· Up to 3-A Continuous (4-A Peak) Output · Industrial and Car Audio Power Supplies
Current · Battery Chargers, High Power LED Supply
· High Efficiency up to 95% Enabled by 110-mW · 12V/24V Distributed Power Systems
Integrated MOSFET Switch
· Wide Output Voltage Range: Adjustable Down
to 1.22 V with 1.5% Initial Accuracy As a member of the SWIFT™ family of DC/DC
· Internal Compensation Minimizes External regulators, the TPS5430 is a high-output-current
Parts Count PWM converter that integrates a low resistance high
side N-channel MOSFET. Included on the substrate
· Fixed 500 kHz Switching Frequency for Small with the listed features are a high performance
Filter Size voltage error amplifier that provides tight voltage
· Improved Line Regulation and Transient regulation accuracy under transient conditions; an
Response by Input Voltage Feed Forward under-voltage-lockout circuit to prevent start-up until
· System Protected by Over Current Limiting the input voltage reaches 5.5V; an internally set
and Thermal Shutdown slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient
· –40°C to 125°C Operating Junction response. Other features include an active high
Temperature Range enable, over current protection and thermal
· Available in Small Thermally Enhanced 8-Pin shutdown. To reduce design complexity and external
SOIC PowerPAD™ Package component count, the TPS5430 feedback loop is
internally compensated.
· For SWIFT Documentation, Application Notes
and Design Software, See the TI Website at