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MAX1649EPA Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1649EPA Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 12 page 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers 4 _______________________________________________________________________________________ -60 -20 60 140 SWITCH ON-TIME vs. TEMPERATURE TEMPERATURE (°C) 20 100 -40 0 80 40 120 34.0 33.5 33.0 32.5 32.0 31.5 31.0 30.0 30.5 -60 -20 60 140 SWITCH OFF-TIME vs. TEMPERATURE TEMPERATURE (°C) 20 100 -40 0 80 40 120 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 -60 -20 60 140 MAXIMUM DUTY CYCLE vs. TEMPERATURE TEMPERATURE (°C) 20 100 -40 0 80 40 120 100 99 98 97 96 95 94 93 -60 -20 60 140 CS TRIP LEVEL vs. TEMPERATURE TEMPERATURE (°C) 20 100 -40 0 80 40 120 120 115 110 100 105 95 0 0.5 1.0 1.5 2.0 DROPOUT VOLTAGE vs. LOAD CURRENT LOAD CURRENT (A) 600 500 400 300 200 100 0 VOUT = 4.80V VOUT = 3.17V CIRCUIT OF FIGURE 1 250 0 REFERENCE OUTPUT RESISTANCE vs. TEMPERATURE 50 200 150 100 -60 -20 60 140 TEMPERATURE (°C) 20 100 -40 0 80 40 120 IREF = 10µA IREF = 50µA IREF = 100µA 1.506 1.492 REFERENCE OUTPUT VOLTAGE vs. TEMPERATURE 1.494 1.504 1.502 1.500 -60 -20 60 140 TEMPERATURE (°C) 20 100 -40 0 80 40 120 1.498 1.496 IREF = 10µA ____________________________Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) |
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