TPS40130 2- Channel Multiphase Buck DC/DC Controller with Integrated Drivers | TI.com

TPS40130 (NRND)

2- Channel Multiphase Buck DC/DC Controller with Integrated Drivers

 

Description

The TPS40130 is a two-phase synchronous buck controller that is optimized for low-output voltage, high-output current applications powered from a supply between 3 V and 40 V. A multi-phase con- verter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency.

Each phase can be operated at a switching frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase.

Features

  • Two-Phase Interleaved Operation
  • 3-V to 40-V Power Stage Operation Range
  • Supports Up to 6-V VOUT With External Divider
  • Requires VIN5 @ 50 mA, Typical, Depending on External MOSFETs and Switching Frequency
  • 1-µA Shutdown Current
  • Programmable Switching Frequency up to 1 MHz/Phase
  • Current Mode Control with Forced Current Sharing
  • Better than 1% Internal 0.7-V Reference
  • Resistive Divider Sets Direct Output Over Voltage Threshold and Sets Input Undervoltage Lockout
  • True Remote Sensing Differential Amplifier
  • Resistive or Inductor’s DCR Current Sensing
  • 30-pin TSSOP or 32-Pin QFN Packages
  • Can Be Used with TPS40120 to Provide a 6-Bit Digitally Controlled Output
  • APPLICATIONS
    • Graphic Cards
    • Internet Servers
    • Networking Equipment
    • Telecommunications Equipment
    • DC Power Distributed Systems

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