전자부품 데이터시트 검색엔진 |
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KA7540 데이터시트(PDF) 2 Page - Samsung semiconductor |
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KA7540 데이터시트(HTML) 2 Page - Samsung semiconductor |
2 / 14 page KA7540 KA7540 KA7540 KA7540 2 2 2 2 Internal Block Diagram Internal Block Diagram Internal Block Diagram Internal Block Diagram IC Characteristics IC Characteristics IC Characteristics IC Characteristics Parameter Parameter Parameter Parameter KA7540 KA7540 KA7540 KA7540 Initial soft start frequency 1.33 × normal operating frequency Voltage controlled dimming 1 ~ 10V CS 6.8 µF 1 2 3 4 5 6 7 8 Ct Vdim Ldet 25 µA 180pF − + Vref IS Ict 2V Ref Internal bias + − + + + IC 1.8V 12.5V F.D UVLO UVLO Frequency divider from VCS kVref − + 3pF 20k Ω 80k Ω Vd 100 µA Shut down signal 40k Ω 5pF 2V + − Id VCC 8Ict latch Q IS = 17 µA × (Vref − VSS) / Vref Id = 25 µA × (Vref − Vd) / Vref VCC OUT 1 OUT 2 GND Oscillator VZ 17 µA VZ 25 µA VZ |
유사한 부품 번호 - KA7540 |
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유사한 설명 - KA7540 |
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