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LT8686SJVPBF 数据表(PDF) 7 Page - Analog Devices |
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LT8686SJVPBF 数据表(HTML) 7 Page - Analog Devices |
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7 / 26 page ![]() LT8686S 7 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS HV Channel Minimum Off-Time vs Temperature, CH1 and CH2 Shared LV Channel Minimum On-Time vs Temperature LV Channel Minimum On-Time vs Temperature, CH3 and CH4 Shared Reference Voltage vs Temperature HV Channel Load Regulation LV Channel Load Regulation Switching Frequency vs Temperature HV Channel Switching Frequency vs Load, RT = 22.6kΩ ILOAD = 1A TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 45 47 49 51 53 55 57 59 61 63 65 8686S G19 ILOAD = 1A TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 10 12 14 16 18 20 22 24 26 28 30 8686S G20 ILOAD = 1A TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 20 22 24 26 28 30 32 34 36 38 40 8686S G21 TEMPERATURE (°C) –50 0 50 100 150 788 792 796 800 804 808 812 –1.50 –1.00 –0.50 0 0.50 1.00 1.50 8686S G22 PVIN = 12V LOAD CURRENT (A) 0.0 0.5 1.0 1.5 2 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 8686S G23 PVIN = 5V LOAD CURRENT (A) 0.0 0.5 1.0 1.5 2 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 8686S G24 350kHz 2MHz 3MHz TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 –10 –8 –6 –4 –2 0 2 4 6 8 10 8686S G25 VIN = 12V VOUT = 5V L = 1.8µH Burst Mode OPERATION PULSE-SKIPPING MODE LOAD CURRENT (A) 0.0001 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 8686S G26 TA = 25°C, VIN1 = VIN2 = 12V, VIN3 = VIN4 = 3.3V, fSW = 2MHz, unless otherwise noted. |
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