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UC3726N Folha de dados(PDF) 5 Page - Texas Instruments |
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UC3726N Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 7 page UC1726 UC2726 UC3726 TYPICAL APPLICATION UNITRODE INTEGRATED CIRCUITS 7 CONTINENTAL BLVD. •• MERRIMACK, NH 03054 TEL. (603) 424-2410 •• FAX (603) 424-3460 IF FAULT LOGIC NOT USED, GROUND FAULT PIN. UDG-94006 The chip operating frequency is determined by the values of components connected to the RT and CT pins. A resis- tor connected between RT and ground sets the charge current to ICT = VL / 4RT. The operating frequency varies slightly depending on the VCC and VL voltages. The fol- lowing equations approximate the one shot pulse width at operating frequency when VCC = 20V. TPW = 1.1RT(CT + 50pF) FO = 1 3.3 RT (CT + 50pF) The 50pF additional capacity represents internal chip ca- pacitance at the CT input. OPERATING FREQUENCY: 5 |
Nº de peça semelhante - UC3726N |
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Descrição semelhante - UC3726N |
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