tps54331.pdf
| FEATURES | APPLICATIONS |
| ?3.5V to 28V Input Voltage Range | ?Consumer Applications such as Set-Top |
| ?Adjustable Output Voltage Down to 0.8V ?Integrated 80 m. High Side MOSFET Supports up to 3A Continuous Output Current | Boxes, CPE Equipment, LCD Displays, Peripherals, and Battery Chargers ?Industrial and Car Audio Power Supplies |
| ?High Efficiency at Light Loads with a Pulse | ?5V, 12V and 24V Distributed Power Systems |
| Skipping Eco-mode??Fixed 570kHz Switching Frequency ?Typical 1� Shutdown Quiescent Current ?Adjustable Slow Start Limits Inrush Currents | DESCRIPTION The TPS54331 is a 28-V, 3-A non-synchronous buck converter that integrates a low RDS(on) high side MOSFET. To increase efficiency at light loads, a |
| ?Programmable UVLO Threshold ?Overvoltage Transient Protection ?Cycle-by-Cycle Current Limit, Frequency Fold Back and Thermal Shutdown Protection | pulse skipping Eco-mode?feature is automatically activated. Furthermore, the 1 � shutdown supply current allows the device to be used in battery powered applications. Current mode control with internal slope compensation simplifies the external |
| ?Available in Easy-to-Use SOIC8 Package or Thermally Enhanced SOIC8 PowerPADTM Package ?Supported by SwitcherPro?Software Tool (http://focus.ti.com/docs/toolsw/folders/print/s witcherpro.html) | compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input under-voltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle by cycle current limit scheme, frequency fold back and |
| ?For SWIFT?Documentation, See the TI | thermal shutdown protect the device and the load in |
| Website at www.ti.com/swift | the event of an overload condition. The TPS54331 is available in 8-pin SOIC package and 8-pin SOIC PowerPADTM package that have been internally |
| optimized to improve thermal performance. |
DatasheetDoc-Texas Instruments TI pdf datasheet download
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