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MAX762C/D датащи(PDF) 4 Page - Maxim Integrated Products |
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MAX762C/D датащи(HTML) 4 Page - Maxim Integrated Products |
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4 / 12 page ![]() 12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters 4 _______________________________________________________________________________________ __________________________________________Typical Operating Characteristics (Circuit of Figure 2, TA = +25°C, unless otherwise noted.) 100 0 0.1 10 1000 EFFICIENCY vs. OUTPUT CURRENT BOOTSTRAPPED 20 OUTPUT CURRENT (mA) 40 60 80 1 100 VIN = 10V 10 30 50 70 90 VIN = 5V VIN = 2V VOUT = 12V 100 0 0.1 10 1000 EFFICIENCY vs. OUTPUT CURRENT NON-BOOTSTRAPPED 20 OUTPUT CURRENT (mA) 40 60 80 1 100 VIN = 10V 10 30 50 70 90 VIN = 5V VOUT = 12V 2.00 0 01 3 6 QUIESCENT CURRENT vs. INPUT VOLTAGE 0.50 1.50 INPUT VOLTAGE (V) 24 1.00 5 1.75 0.25 1.25 0.75 0.5 1.5 3.5 2.5 4.5 5.5 VOUT = 12V BOOTSTRAPPED (INTERNAL RESISTORS) BOOTSTRAPPED (EXTERNAL RESISTORS) NON-BOOTSTRAPPED 400 0 3.0 6.0 MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE 100 300 SUPPLY VOLTAGE (V) 4.0 200 5.0 350 50 250 150 3.5 4.5 5.5 NON-BOOTSTRAPPED BOOTSTRAPPED VOUT = 12V 3.5 0.5 -60 -20 60 140 NO-LOAD START-UP VOLTAGE 1.0 3.0 TEMPERATURE ( °C) 20 100 2.0 -40 0 80 40 120 1.5 2.5 VOUT = 12V BOOTSTRAPPED (INTERNAL RESISTORS) BOOTSTRAPPED (EXTERNAL RESISTORS) NON-BOOTSTRAPPED (EXTERNAL RESISTORS) 250 0 -60 -20 60 140 REFERENCE OUTPUT RESISTANCE vs. TEMPERATURE 50 TEMPERATURE ( °C) 20 100 150 -40 0 80 40 120 100 200 100µA 50µA 10µA 1.502 -60 -20 60 140 REFERENCE vs.TEMPERATURE COEFFICIENT TEMPERATURE ( °C) 20 100 -40 0 80 40 120 1.500 1.498 1.496 1.494 1.492 1.504 1.506 2.2 1.3 0.1 10 1000 MAX761 START-UP VOLTAGE vs. RLOAD RLOAD (kΩ) 1.4 1.5 1.6 1.7 2.1 2.0 1.8 1.9 1 100 VOUT = 12V BOOTSTRAPPED INTERNAL RESISTORS 1.6 0.4 -60 -20 60 140 LX ON-RESISTANCE vs. TEMPERATURE 0.6 1.4 TEMPERATURE ( °C) 20 100 1.0 -40 0 80 40 120 0.8 1.2 V+ = 12V V+ = 5V |
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