Thursday, December 6, 2012

tps54331.pdf download Texas Instruments TI pdf datasheet

?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 ( 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  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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