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LT8685SRVPBF 数据表(PDF) 6 Page - Analog Devices |
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LT8685SRVPBF 数据表(HTML) 6 Page - Analog Devices |
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6 / 24 page ![]() LT8685S 6 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS HV Channel RDS(ON) vs Temperature LV Channel RDS(ON) vs Temperature Top FET Current Limit vs Duty Cycle Top FET Current Limit vs Temperature Enable Pin Falling Threshold vs Temperature Enable Pin Current vs Voltage and Temperature HV Channel Minimum On-Time vs Temperature HV Channel Minimum Off-Time vs Temperature HV Channel Minimum On-Time vs Temperature, CH1 and CH2 Shared TA = 25°C. VIN1 = VIN2 = 12V, VIN3 = VIN4 = 3.3V, fSW = 2MHz unless otherwise noted. TOP FET BOTTOM FET TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0 50 100 150 200 250 300 350 400 8685S G10 TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 80 90 100 8685S G11 TOP FET BOTTOM FET HV CHANNEL LV CHANNEL DUTY CYCLE (%) 10 30 50 70 90 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 8685S G12 HV CHANNEL LV CHANNEL TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 8685S G13 EN/UVLO (CH1) EN2, EN3, EN4 TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 780 784 788 792 796 800 804 808 812 816 820 8685S G14 150°C 125°C 25°C VOLTAGE (V) 0 5 10 15 20 25 30 35 40 –5 0 5 10 15 20 25 30 8685S G15 ILOAD = 1.5A TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 10 12 14 16 18 20 22 24 26 28 30 8685S G16 ILOAD = 1A TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 50 52 54 56 58 60 62 64 66 68 70 8685S G17 TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 24 26 28 30 32 34 36 38 40 42 44 8685S G18 ILOAD = 1.5A |
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