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TPS40021-EP Datasheet Synchronous Buck Controller

Manufacturer: Texas Instruments

Overview: TPS40021-EP www.ti.com SLUSB58 – SEPTEMBER 2012 ENHANCED, LOW-INPUT VOLTAGE-MODE SYNCHRONOUS BUCK CONTROLLER Check for Samples:.

General Description

The TPS40021 is a dc-to-dc controller designed for non-isolated synchronous buck regulators, providing enhanced operation and design flexability through user programmability.

The device utilizes a proprietary Predictive Gate Drive technology to minimize the diode conduction losses associated with the high-side and synchronous rectifier N-channel MOSFET transistions.

The integrated charge pump with boost circuit provides a regulated 5-V gate drive for both the high side and synchronous rectifier N-channel MOSFETs.

Key Features

  • 1.
  • 2 Operating Input Voltage 2.25 V to 5.5 V.
  • Output Voltage as Low as 0.7 V.
  • 1% Internal 0.7-V Reference.
  • Predictive Gate Drive™ N-Channel MOSFET Drivers for Higher Efficiency.
  • Externally Adjustable Soft-Start and Short Circuit Current Limit.
  • Programmable Fixed-Frequency 100-kHz to 1-MHz Voltage-Mode Control.
  • Source or Sink Current.
  • Quick Response Output Transient Comparators With Power Good Indication Provide Output Status.

TPS40021-EP Distributor & Price

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