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LM34919C-Q1 50V, 600 mA Wide Vin Constant On-Time Buck Switching Regulator Evaluation Module



  • 4.5V to 50V input voltage range
  • 3.3V target output voltage
  • Delivers up to 600mA output current
  • Valley current limiting
  • PGD and EN functionality with test points added in the EVM

Texas Instruments  LM34919CQTLEVM

The LM34919CQTLEVM evaluation board provides the design engineer with a fully functional buck regulator, employing the constant on-time (COT) operating principle. This evaluation board provides a 3.3V output over an input range of 4.5V to 50V. The circuit delivers load currents to 600 mA, with valley current limit set at 640mA.