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TK5401 Application note
May,2009 Ver.1.2
TK5401 Application Note (Ver.1.2)
Takion Co.,Ltd http://www.takion.jp/
The contents in this document have a case to change without notice.
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Page.1
TK5401 Application note
May,2009 Ver.1.2
Contents 1.General Description 2.Features 3.Block Diagram 4.Pin Functional Description 5.Package Outline 6.Electrical Characteristics 7.Power Supply IC Circuit Connection Example 8.Functional Description 8.1.Operating Oscillation 8.2.Power supply and Start-up Circuit 8.3.Constant Current Control Circuit 8.4.Adjustment Over Current Protection Circuit 8.5.COMP Pin Function 8.6.Latch Function 8.7.Thermal Shut Down Circuit 8.8.Over Voltage Protection Circuit 9.Application Circuit Example for LED Driver 9.1.