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PAM2845 数据表(PDF) 8 Page - Power Analog Micoelectronics |
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PAM2845 数据表(HTML) 8 Page - Power Analog Micoelectronics |
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8 / 14 page ![]() , Power Analog Microelectronics Inc 8 www.poweranalog.com Typical Performance Characteristic Switching Waveforms Vsw DC coupling I L DC coupling Inductor Current Waveforms( =20%) PWMD PWMD DC coupling V LED1 DC coupling I L DC coupling LED Current Waveforms( =20%) PWMD PWMD DC coupling V LED1 DC coupling I LED DC coupling Inductor Current Waveforms( =50%) PWMD PWMD DC coupling V LED1 DC coupling I L DC coupling 08/2008 Rev 1.0 Efficiency VS Input Voltage 6x6 LED 8x6 LED 10x6 LED 12x6 LED 75% 80% 85% 90% 95% 100% 4.5 8 12 16 20 24 28 Input Voltage(V) T =25°C, V =ENA=12V, L=22 H, Rset=10k unless otherwise noted. AIN μΩ , PAM2845 40V High Power Boost Convertor with 6 Channel Constant Current Source Start up and Shutdown waveforms Vout DC coupling I L DC coupling ENA DC coupling |
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