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LTC3731 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3731 Datasheet(HTML) 6 Page - Linear Technology |
6 / 32 page 6 LTC3731 3731fa –50 0 25 50 75 –25 125 100 –50 0 255075 –25 125 100 –50 0 25 50 75 –25 125 100 PLLFLTR PIN VOLTAGE (V) 0 700 600 500 400 300 200 0.5 1 1.5 22.5 0.1 INDUCTOR CURRENT (A) 100 90 80 70 60 50 40 30 20 10 0 1 10 100 3731 G01 VIN (V) 0 100 95 90 85 80 75 70 65 60 55 50 20 3731 G02 5 10 15 25 FREQUENCY (kHz) 200 100 95 90 85 80 75 600 3731 G03 300 400 500 TEMPERATURE (°C) –50 3731 G04 0 255075 610 605 600 595 590 –25 125 100 TEMPERATURE (°C) 4.0 4.5 5.5 6.0 3731 G05 5.0 TEMPERATURE (°C) 3731 G06 85 80 75 70 65 TEMPERATURE (°C) 700 600 500 400 300 200 100 0 3731 G07 TEMPERATURE (°C) 3731 G09 3731 G08 0 1 3 4 5 2 VIN = 8V VOUT = 1.5V ILOAD = 20A VOUT = 1.5V VFCB = OPEN VFCB = 5V VFCB = 0V IL = 45A IL = 15A VOUT = 1.5V f = 250kHz VIN = 20V VIN = 12V VIN = 8V VIN = 5V VO = 1.75V VO = 0.6V VPLLFLTR = 2.4V VPLLFLTR = 1.2V VPLLFLTR = 0V VPLLFLTR = 5V –50 0 25 50 75 –25 125 100 TYPICAL PERFOR A CE CHARACTERISTICS Efficiency vs IOUT (Figure 14) Efficiency vs VIN (Figure 14) Efficiency vs Frequency (Figure 14) Reference Voltage vs Temperature Error Amplifier gm vs Temperature Maximum ISENSE Threshold vs Temperature Oscillator Frequency vs Temperature Operating Frequency vs VPLLFLTR Undervoltage Reset Voltage vs Temperature |
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Similar Description - LTC3731 |
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