UCC39002 Evaluation Module


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The UCC39002 is an advanced, high-performance load-share controller that provides all the necessary functions to parallel multiple independent power supplies or dc-to-dc modules. This load-share circuit is based upon the automatic master/slave architecture utilized in the UC3902 and UC3907 load-share controllers providing better than 1% current-share error between the modules at full load.

  • High accuracy, better than 1% current share error at full load
  • High-side current sensing
  • Ultra-low offset current sense amplifier
  • Single wire load-share bus
  • Intel® SSI load-share spcification compliant
  • Disconnect from load-share bus at stand-by
  • Load-share bus protection against shorts to GND or to the supply rail
  • 8-pin MSOP package option minimizes board space
  • External or internal bias selection
  • External shutdown switch for each module
SR & load share controllers
UC2902 20V load share controller, -40°C to 85°C UC2907 35V load share controller, -40°C to 85°C UC3902 20V load share controller, 0°C to 70°C UC3907 35V load share controller, 0°C to 70°C UCC29002 Advanced 8 pin load share controller, -40°C to 105°C UCC39002 Advanced 8 pin load share controller, 0°C to 70°C
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Evaluation board

UCC39002EVM — UCC39002 Evaluation Module

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Design files

Technical documentation

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Type Title Date
* User guide UCC39002 Advanced Load-Share Controller User's Guide, HPA027A (Rev. A) 09 Feb 2004
Certificate UCC39002EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet UCC29002 and UCC39002 Advanced 8-Pin Load-Share Controller datasheet (Rev. J) PDF | HTML 04 Apr 2017

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