LM5642EVAL-KIT

High Voltage, Dual Synchronous Buck Converter with Oscillator Synchronization

LM5642EVAL-KIT

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Overview

High Voltage, Dual Synchronous Buck Converter with Oscillator Synchronization

Features
  • Two synchronous buck regulators
  • 180°out of phase operation
  • Synchronizable switching frequency from 150 kHz to 250 kHz
  • 4.5 V to 36 V input range
  • 50µA shutdown current
  • Adjustable output from 1.3 V to 90% of Vin
  • 0.04% (typical) line and load regulation error
  • Current mode control with or without a sense resistor
  • Independent enable/soft-start pins allow simple sequential startup configuration
  • Configurable for single output parallel operation.
  • Adjustable cycle-by-cycle current limit
  • Input under-voltage lockout
  • Output over-voltage latch protection
  • Output under-voltage protection with delay
  • Thermal shutdown
  • Self discharge of output capacitors when the regulator is OFF
  • TSSOP package

Applications:

  • Embedded Computer Systems
  • Telecom Systems
  • Set-Top Boxes
  • WebPAD
  • Point Of Load Power Architectures

 

AC/DC & DC/DC controllers (external FET)
LM5642 4.5-36V, Current Mode Dual Synchronous Buck Controller with Oscillator Synchronization
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Evaluation board

LM5642EVAL-KIT/NOPB — High Voltage, Dual Synchronous Buck Converter with Oscillator Synchronization

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Technical documentation

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Type Title Date
* EVM User's guide AN-1292 LM5642 Evaluation Board (Rev. B) 25 Apr 2013
Certificate LM5642EVAL-KIT/NOPB EU Declaration of Conformity (DoC) 02 Jan 2019
Certificate LM5642EVAL-KIT/NO EU Declaration of Conformity (DoC) 02 Jan 2019

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