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LT8331 датащи(PDF) 5 Page - Analog Devices |
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LT8331 датащи(HTML) 5 Page - Analog Devices |
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5 / 30 page ![]() LT8365 5 Rev. A For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Switching Frequency vs Temperature Switching Frequency vs VIN Normalized Switching Frequency vs FBX Voltage FBX Positive Regulation Voltage vs Temperature FBX Negative Regulation Voltage vs Temperature EN/UVLO Pin Thresholds vs Temperature JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 1.568 1.576 1.584 1.592 1.600 1.608 1.616 1.624 1.632 8365 G01 VIN = 12V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 –0.820 –0.815 –0.810 –0.805 –0.800 –0.795 –0.790 –0.785 –0.780 8365 G02 VIN = 12V EN/UVLO RISING (TURN–ON) EN/UVLO FALLING (TURN–OFF) JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 1.54 1.56 1.58 1.60 1.62 1.64 1.66 1.68 1.70 1.72 1.74 8365 G03 VOLTAGE (V) –0.8 –0.4 0.0 0.4 0.8 1.2 1.6 0 25 50 75 100 125 8365 G06 VIN = 12V Switch Current Limit vs Duty Cycle Switch Minimum On-Time vs Temperature Switch Minimum Off-Time vs Temperature DUTY CYCLE (%) 0 20 40 60 80 100 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 vs Duty Cycle Switch Current Limit 8365 G07 JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 0 10 20 30 40 50 60 70 80 90 100 110 120 130 vs Temperature Switch Minimum Off–Time 8365 G09 JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 380 384 388 392 396 400 404 408 412 416 420 8365 G04 VIN (V) 0 5 10 15 20 25 30 35 40 45 50 55 60 380 384 388 392 396 400 404 408 412 416 420 8365 G05 JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 50 60 70 80 90 100 110 120 130 140 150 8365 G08 |
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