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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT8331 датащи(PDF) 4 Page - Analog Devices |
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LT8331 датащи(HTML) 4 Page - Analog Devices |
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4 / 30 page  LT8331 4 Rev. C For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Switching Frequency vs Temperature Switching Frequency vs VIN Normalized Switching Frequency vs FBX Voltage Switch Current Limit vs Duty Cycle Switch Minimum On-Time vs Temperature Switch Minimum Off-Time vs Temperature FBX Positive Regulation Voltage vs Temperature FBX Negative Regulation Voltage vs Temperature EN/UVLO Pin Thresholds vs Temperature VIN = 12V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 1.570 1.580 1.590 1.600 1.610 1.620 1.630 8331 G01 VIN = 12V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 –0.815 –0.810 –0.805 –0.800 –0.795 –0.790 –0.785 8331 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 1.57 1.60 1.63 1.66 1.69 1.72 1.75 1.78 1.81 1.84 8331 G03 VIN = 12V JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 475 480 485 490 495 500 505 510 515 520 525 8331 G04 VIN (V) 0 10 20 30 40 50 60 70 80 90 100 475 480 485 490 495 500 505 510 515 520 525 8331 G05 VIN = 12V FBX VOLTAGE (V) –0.8 –0.4 0.0 0.4 0.8 1.2 1.6 0 25 50 75 100 125 8331 G06 VIN = 12V DUTY CYCLE (%) 0 20 40 60 80 100 0.50 0.55 0.60 0.65 0.70 8331 G07 SYNC = 0V SYNC = INTVCC JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 130 140 150 160 170 180 190 200 8331 G08 JUNCTION TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 175 110 120 130 140 150 160 170 180 8331 G09 |
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