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PAM2845 数据表(PDF) 7 Page - Power Analog Micoelectronics |
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PAM2845 数据表(HTML) 7 Page - Power Analog Micoelectronics |
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7 / 14 page ![]() , Power Analog Microelectronics Inc 7 www.poweranalog.com 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 5 9 13 17 21 Input voltage(V) 0 5 10 15 20 25 20% 40% 60% 80% 100% Duty cycle 0 1 2 3 4 5 6 010 20 30 Input voltage(V) Typical Performance Characteristic LED Current VS PWMD Duty cycle Shutdown current VS Input Voltage Input Voltage VS Efficiency Quiescent Current VS Input Voltage 0 1 2 3 4 5 6 7 8 9 6 1014 182226 Input Voltage (V) Fsw=1.6MHz Fsw=1MHz Fsw=500KHz PWMD=0 08/2008 Rev 1.0 T =25°C, V =ENA=12V, L=22 H, Rset=10k unless otherwise noted. AIN μΩ , Vout Line Regulation 38 38.5 39 39.5 40 40.5 41 4.5 8 12 16 20 24 28 Input Voltage (V) Total LED Current Line regulation 129 129.5 130 130.5 131 131.5 132 132.5 133 4.5 8 12 16 20 24 28 Input Voltage (V) PAM2845 40V High Power Boost Convertor with 6 Channel Constant Current Source |
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