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LTC4366 Datasheet(PDF) 6 Page - Analog Devices |
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LTC4366 Datasheet(HTML) 6 Page - Analog Devices |
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6 / 32 page ![]() LTC7862 6 Rev 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS SENSE– Pin Input Current vs VSENSE Voltage SENSE– Pin Input Bias Current vs Temperature Undervoltage Lockout Threshold vs Temperature Current Limit vs Feedback Voltage DRVCC and EXTVCC vs Load Current EXTVCC Switchover and DRVCC Voltages vs Temperature EXTVCC Switchover and DRVCC Voltages vs Temperature Soft Start-Up Regulated Feedback Voltage vs Temperature TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 792 794 796 798 800 802 804 806 808 7801 G02 VSENSE COMMON MODE VOLTAGE (V) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 100 200 300 400 500 600 700 800 900 1000 7862 G06 VOUT ≥ INTVCC + 0.5V VOUT ≤ INTVCC – 0.5V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 1000 7862 G07 RISING RISING FALLING FALLING DRVUV = INTVCC DRVUV = 0V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 7862 G08 FEEDBACK VOLTAGE (mV) 0 100 200 300 400 500 600 700 800 0 10 20 30 40 50 60 70 80 90 100 7862 G09 TA = 25°C, unless otherwise noted. FIGURE 8 CIRCUIT VIN = VOUT = 28V 2ms/DIV RUN 10V/DIV WARNB 5V/DIV VOUT 10V/DIV 7862 G01 EXTVCC = 0V, DRVSET = INTVCC EXTVCC = 13V, DRVSET = INTVCC VIN LDO EXTVCC = 0V, DRVSET=0V EXTVCC = 5V, DRVSET = 0V EXTVCC = 8.5V, DRVSET = 0V LOAD CURRENT (mA) 0 10 20 30 40 50 4 5 6 7 8 9 10 7862 G03 EXTVCC RISING EXTVCC FALLING EXTVCC = 8.5V ICC = 0mA EXTVCC = 8.5V ICC = 50mA DRVUV = 0V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 4.0 4.5 5.0 5.5 6.0 6.5 7862 G04 EXTVCC RISING EXTVCC FALLING EXTVCC = 13V ICC = 0mA EXTVCC = 13V ICC = 50mA DRVUV = INTVCC TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 7.0 7.5 8.0 8.5 9.0 9.5 10.0 7862 G05 |
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