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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4366 датащи(PDF) 8 Page - Analog Devices |
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LTC4366 датащи(HTML) 8 Page - Analog Devices |
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8 / 32 page  LTC7862 8 Rev 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS BOOST Charge Pump Charging Current vs Frequency BOOST Charge Pump Charging Current vs SW Voltage VBOOST = 16V VSW = 12V 150°C 25°C –55°C OPERATING FREQUENCY (kHz) 0 100 200 300 400 500 600 700 800 900 1000 0 10 20 30 40 50 60 70 80 90 100 7862 G19 FREQ = 350kHz VBOOST - VSW = 7V 150°C 25°C –55°C SW VOLTAGE (V) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 10 20 30 40 50 60 70 80 90 100 7862 G20 VBOOST - VSW = 4V TMR Pull-Up Current vs Temperature TMR Pull-Down Current vs Temperature Sustained Overvoltage Fault TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 –45 –44 –43 –42 –41 –40 –39 –38 –37 –36 –35 7862 G21 TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 7862 G22 28V 100V VIN VOUT FIGURE 8 CIRCUIT VOUT = 28V, CTMR = 1µF 1s/DIV VIN/VOUT 50V/DIV TMR 2V/DIV WARNB 5V/DIV 7862 G23 TA = 25°C, unless otherwise noted. VIN = 12V OUTPUT CURRENT (A) 0 2 4 6 8 10 12 14 16 18 20 0 250 500 750 1000 1250 1500 1750 2000 2250 2500 7862 G24 VIN = 28V FIGURE 8 CIRCUIT VIN = 14V OUTPUT CURRENT (A) 0 1 2 3 4 5 6 7 8 9 10 0 250 500 750 1000 1250 1500 1750 2000 7862 G25 FIGURE 10 CIRCUIT VIN = 48V OUTPUT CURRENT (A) 0 1 2 3 4 5 0 250 500 750 1000 1250 1500 7862 G26 FIGURE 11 CIRCUIT Power Loss vs Output Current in Pass-Through Mode Power Loss vs Output Current in Pass-Through Mode Power Loss vs Output Current in Pass-Through Mode |
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