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LTC3642EMS8E-3.3-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC3642EMS8E-3.3-PBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page LTC3642 4 3642f TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Line Regulation Load Regulation Feedback Comparator Voltage vs Temperature Feedback Comparator Hysteresis vs Temperature Peak Current Trip Theshold vs Temperature Peak Current Trip Threshold vs RISET Quiescent Supply Current vs Input Voltage Quiescent Supply Current vs Temperature VIN VOLTAGE (V) 5 –0.30 –0.20 –0.10 0 0.10 15 25 35 45 3642 G02 0.20 0.30 10 20 30 40 ILOAD = 25mA FIGURE 10 CIRCUIT LOAD CURRENT (mA) 0 5.01 5.03 5.05 40 3642 G03 4.99 4.97 5.00 5.02 5.04 4.98 4.96 4.95 10 20 30 50 VIN = 10V FIGURE 10 CIRCUIT ISET OPEN TEMPERATURE (°C) –40 4.4 4.6 4.8 5.0 5.2 5.6 –10 20 50 80 3642 G05 110 5.4 VIN = 10V TEMPERATURE (°C) –40 0 20 10 30 50 40 70 60 80 90 –10 20 80 50 3642 G06 110 130 120 110 100 ISET OPEN ISET = GND RISET = 500k VIN = 10V RSET (kΩ) 0 10 30 50 70 90 200 400 600 800 1000 3642 G07 1200 110 20 40 60 80 100 120 VIN = 10V VIN VOLTAGE (V) 5 10 12 14 SLEEP 45 3642 G08 8 6 15 25 35 4 2 0 SHUTDOWN TEMPERATURE (°C) –40 10 12 14 SLEEP 110 3642 G09 8 6 –10 20 50 80 4 2 0 SHUTDOWN VIN = 10V LOAD CURRENT (mA) 0.1 80 90 100 1 10 100 3642 G01 70 75 85 95 65 60 FIGURE 10 CIRCUIT ISET OPEN VOUT = 5V VIN = 10V VIN = 45V VIN = 15V VIN = 24V VIN = 36V TEMPERATURE (°C) –40 0.798 0.799 0.800 0.801 –10 20 50 80 3642 G04 110 VIN = 10V |
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