4 Revision History
Changes from D Revision (April 2013) to E Revision
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Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go
Changes from C Revision (April, 2013) to D Revision
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Added VREF value for EN (Enable Pin) pin description.Go
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Changed Equation 3.Go
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Changed Figure 27.Go
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Changed Figure 28.Go
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Changed Equation 4.Go
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Changed Current Limit Circuit diagram.Go
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Changed UCC28251 Set Up for Peak Current Mode Control diagram.Go
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Changed Equation 28.Go
Changes from B Revision (March 2013) to C Revision
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Changed Operating junction temperature range from (-40 to 125) to (125 to 150).Go
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Added UCC28251PW Current Sense data.Go
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Changed Functional Block DiagramGo
Changes from A Revision (February 2013) to B Revision
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Added Start threshold electical characteristics.Go
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Added Input offset electrical characteristics.Go
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Added Primary off to secondary on dead time electrical characteristics.Go
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Added Secondary off to primary on dead time electrical characteristics.Go
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Added note, "The minimum value for RPS/RSP is 5 kΩ and the maximum value is 250 kΩ." in two places.Go
Changes from * Revision (February 2013) to A Revision
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Added Figure 24, Oscillator Frequency FOSC vs External Resistance of RT at TD(ps) = 40 ns and 100 nsGo