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Home » NEWEST Products » New by Manufacturer » Texas Instruments » TPS54335/36 Synchronous Step Down Converters - TI
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Texas Instruments TPS54335/36 Synchronous Step Down Converters

TI TPS54335/36 Synchronous
Step Down Converters

Texas Instruments TPS54335 / TPS543336 Synchronous Step Down Converters are 3A, low quiescent supply current synchronous DC-DC converter ICs with up to 28V input support. TI TPS54335/36 integrate MOSFETs and employ current mode switching control, making these devices ideal for compact designs on PCB and for reducing external component count. These buck converters provide accurate regulation for a variety of loads with a well-regulated voltage reference 1.5% over temperature. TPS54335 offers internal 2ms Soft-start and 50kHz to 1.5MHz adjustable frequency. TPS54336 features adjustable soft-start and fixed 340kHz frequency. These TI devices are ideal for use in a variety of applications, including consumer applications (DTVs, set top boxes, and LCD displays), battery chargers, and industrial and car audio power supplies.

  • Two 128mΩ/84mΩ MOSFETs for 3A Continuous Output Current
  • TPS54335: Internal 2ms Soft-start, 50kHz–1.5MHz Adjustable Frequency
  • TPS54336: Adjustable Soft-start, Fixed 340kHz Frequency
  • Low 2µA Shutdown Quiescent Current
  • 0.8V Internal Voltage Reference with ±0.8% Accuracy at Room Temperature and ±1.5% Accuracy Over Temperature
  • Fixed-Frequency Current Mode Control
  • Pulse Skipping Boosts Efficiency at Light Loads
  • Overcurrent Protection for Both MOSFETs with Hiccup Mode for Severe Fault Conditions
  • Thermal Shutdown and Overvoltage Transition Protection
  • Available in Easy-to-Use 8-Pin SOIC PowerPAD and 10-pin SON
  • Monotonic Start-Up into Pre-biased Outputs
  • Consumer Applications such as DTV, Set Top Boxes, LCD displays, CPE Equipment
  • Battery Chargers
  • Industrial and Car Audio Power Supplies
  • 5V,12V, and 24V Distributed Power Systems
Block Diagram
Block Diagram

Texas Instruments TPS54335/36 Synchronous Step Down Converter EVMs

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Additional Resources

Associated Evaluation Modules

TI TPS54335EVM-556 and TPS54336EVM-556 evaluation modules are designed to test the features of the TPS54335 and TSP54336 step-down converters. These TI EVMs are designed and tested for VIN = 8V to 28V. The ambient temperature is 25°C for all measurements, unless otherwise noted. The absolute maximum input voltage is 30V for the TPS54335EVM-556 and TPS54336EVM-556.

  • 8-28V Input Voltage Range
  • 0-3A Output Current Range
  • 30V Max Input Voltage
  • Texas Instruments