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TPS40400 - 3-V to 20-V PMBus Synchronous Buck Controller

Description

The TPS40400 is a cost-optimized flexible synchronous buck controller that operates from a nominal 3-V to 20-V supply.

This controller is an analog PWM controller that allows programming and monitoring through the PMBus™ interface.

Features

  • 1 Input Operating Voltage Range: 3 V to 20 V.
  • PMBus Enabled Analog Controller.
  • Reference 600 mV ± 1%.
  • Remote Voltage Sense Amplifier.
  • Internal 6-V Regulator and 6-V Gate Drive.
  • Programmable Overcurrent Protection.
  • Inductor Resistance or Series Resistance Used for Current Sensing.
  • Programmable Switching Frequency: 200 kHz to 2 MHz.
  • Powergood Indicator.
  • Thermal Shutdown.
  • Programmable Soft-Start.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS40400 SLUS930D – APRIL 2011 – REVISED NOVEMBER 2016 TPS40400 3-V to 20-V PMBus Synchronous Buck Controller 1 Features •1 Input Operating Voltage Range: 3 V to 20 V • PMBus Enabled Analog Controller • Reference 600 mV ± 1% • Remote Voltage Sense Amplifier • Internal 6-V Regulator and 6-V Gate Drive • Programmable Overcurrent Protection • Inductor Resistance or Series Resistance Used for Current Sensing • Programmable Switching Frequency: 200 kHz to 2 MHz • Powergood Indicator • Thermal Shutdown • Programmable Soft-Start • Internal Bootstrap Diode • Prebias Output Safe • 24-Pin QFN Package 2 Applications • Smart Power Systems • Power Supply Modules • Communications Equipment • Comp
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