LM5168P 115-V DC/DC buck regulator evaluation module


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The LM5168P evaluation module (EVM) is a 115 V DC/DC buck regulator that employs synchronous rectification to achieve high conversion efficiency in a small footprint. The EVM operates over a wide input voltage range of 20 V to 115 V (120 V absolute maximum) to provide a regulated 12 V output at up to 0.3 A with a 500 kHz switching frequency. The output voltage has better than 1.5% set-point accuracy and is adjustable using an external resistor divider. The module design uses the LM5168P synchronous buck converter with wide input voltage range, wide duty-cycle range, integrated high-side and low-side power MOSFETs, advanced over-current protection and precision enable.

  • 500 kHz switching frequency
  • 12 V output with 1.5% set-point accuracy
  • Integrated synchronous rectification
  • Low operating quiescent current
  • High efficiency at light loads
AC/DC & DC/DC converters (integrated FET)
LM5168 6-V to 120-V wide VIN, 300-mA DC-DC converter with Fly-Buck™ capability LM5168-Q1 Automotive 6-V to 120-V Wide VIN, 300-mA DC-DC converter with Fly-Buck™ capability LM5169 6-V to 120-V Wide VIN, 650-mA DC/DC converter with Fly-Buck™ capability LM5169-Q1 Automotive 6-V to 120-V Wide VIN, 650-mA DC-DC converter with Fly-Buck™ capability
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Evaluation board

LM5168PEVM — LM5168P 115-V fly-buck regulator evaluation module

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Type Title Date
* EVM User's guide LM5168PEVM EVM User's Guide PDF | HTML 02 Aug 2022
More literature LM5168PEVM EU RoHS Declaration of Conformity (DoC) 04 Aug 2022

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