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FAN6747 Folha de dados(PDF) 7 Page - Fairchild Semiconductor |
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FAN6747 Folha de dados(HTML) 7 Page - Fairchild Semiconductor |
7 / 15 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6747 • Rev. 1.0.1 7 Electrical Characteristics VDD=15V and TA=25°C, unless otherwise specified. Symbol Parameter Conditions Min. Typ. Max. Units Figure 8. Brownout Behavior Figure 9. VDD-AC and AC Recovery Oscillator Section fOSC Normal PWM Frequency Center Frequency (VFB>VFB-N) 61 65 69 kHz tJTR-1 Jitter Period 1 VFB > VFB-N 3.9 4.4 4.9 ms tJTR-3 Jitter Period 3 VFB=VFB-G 10.2 11.5 12.8 ms fOSC-G Green-Mode Minimum Frequency 19 22 25 kHz VFB-N FB Threshold Voltage for Frequency Reduction Beginning Pin, FB Voltage (VFB=VFB-N), fOSC – 5KHz 2.6 2.8 3.0 V Jitter Range ± 3.7 ± 4.2 ± 4.7 kHz VFB-G FB Threshold Voltage for Turn-Off Jitter and Frequency Reduction Destination Pin, FB Voltage (VFB=VFB-G) 2.1 2.3 2.5 V Jitter Range ± 1.45 kHz |
Nº de peça semelhante - FAN6747 |
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Descrição semelhante - FAN6747 |
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