LM5140RWGEVM Dual Synchronous Buck Converter EVM


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The LM5140RWGEVM evaluation board provides a fully functional buck power supply, employing peak current mode control. The evaluation board provides two independent outputs, a 3.3V @ 6A and a 5.0V @ 5A. The nonomal input voltage range is 8V-18V, with an extended operating range of 3.8V to 42V.  The nominal switching frequency is 2.2 MHz.

  • VIN 3.8V to 42V
  • Dual outputs 3.3V @6A and 5.0V @5A
  • 2.2MHz operation to avoid the Aumotive AM Band
  • Low Shutdown IQ 10µA
  • Low Standby Current 35µA one channel enabled, no-load

  • LM5140RWGEVM Board

Buck controllers (external switch)
LM5140-Q1 Wide Vin Dual 2.2MHz low Iq Synchronous Buck Controller

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Evaluation board

LM5140RWGEVM – LM5140RWGEVM Dual Synchronous Buck Converter EVM

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide LM5140 EVM User's Guide Jan. 12, 2016
More literature LM5140RWGEVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet LM5140-Q1 Wide Input Range Dual Synchronous Buck Controller datasheet (Rev. A) Dec. 20, 2016

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