LM5085EVAL

LM5085 - 75V Wide Vin Constant On-Time PFET Buck Switching Controller Evaluation Module

LM5085EVAL

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Overview

The LM5085 evaluation board provides the design engineer with a fully functional buck regulator, employing the LM5085 PFET switching controller which uses the constant on-time (COT) operating principle. The evaluation board provides a 5V output over an input range of 5.5V to 55V. The circuit delivers load currents to 4.5A, with current limit set at 7.6A. The board is populated with all components except C5.

  • Input Voltage: 5.5V to 55V, 60V maximum
  • Output Voltage: 5V
  • Maximum load current: 4.5A for VIN >8V
  • Minimum load current: 0A
  • Current Limit Threshold: 7.6A
  • Measured Efficiency: 97.2% (VIN 5.5V, IOUT = 0.6Amps)
  • Nominal Switching Frequency: 300 kHz
  • Size: 3.1 in. x 1.5 in. x 0.78 in

 

Buck controllers (external switch)
LM5085 4.5-75V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller LM5085-Q1 Automotive Grade 4.5-75V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller

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Evaluation board

LM5085EVAL/NOPB – LM5085 - 75V Wide Vin Constant On-Time PFET Buck Switching Controller

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

Technical documentation

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Type Title Date
* User guide AN-1878 LM5085 Evaluation Board (Rev. B) Apr. 30, 2013
More literature LM5085EVAL/NOPB EU Declaration of Conformity (DoC) Jan. 02, 2019

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