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LM3843A Arkusz danych(PDF) 4 Page - HTC Korea TAEJIN Technology Co. |
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LM3843A Arkusz danych(HTML) 4 Page - HTC Korea TAEJIN Technology Co. |
4 / 6 page CURRENT MODE PWM CONTROLLER LM3842A/3A/4A/5A Fig.3 Error Amp Configuration Fig.4 Current Sense Circuit Peak current (IS) is determined by the formula: IS(MAX) A small RC filter may be required to suppress switch transients. Fig.5 Oscillator Waveforms and Maximum Duty Cycle HTC − 4 − Error amp can source or sink up to 0.5mA 2 1 - + Zi Zf COMP VFB 0.5mA 2.5V 1 3 5 IS ERROR AMP 2R R 1V CURRENT SENSE COMPARATOR COMP CURRENT SENSE GND C RS R ~ ~ 1.0V RS 8 4 5 VREF RT/CT GND LARGE RT SMALL CT V4 INTERNAL CLOCK LARGE RT SMALL CT V4 INTERNAL CLOCK RT CT |
Podobny numer części - LM3843A |
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Podobny opis - LM3843A |
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