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MAX1709 Arkusz danych(PDF) 5 Page - Maxim Integrated Products |
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MAX1709 Arkusz danych(HTML) 5 Page - Maxim Integrated Products |
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5 / 12 page ![]() 4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter _______________________________________________________________________________________ 5 Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) 100 0 0.001 0.1 1 0.01 10 EFFICIENCY vs. OUTPUT CURRENT (VOUT = 3.3V) OUTPUT CURRENT (A) 10 20 30 40 50 60 70 80 90 VIN = 2.5V VIN = 1.2V 100 0 0.001 0.1 1 0.01 10 EFFICIENCY vs. OUTPUT CURRENT (VOUT = 5V) OUTPUT CURRENT (A) 10 20 30 40 50 60 70 80 90 VIN = 3.3V VIN = 2.5V 83.0 84.0 83.5 85.0 84.5 86.0 85.5 0.4 0.6 0.7 0.5 0.8 0.9 1.0 EFFICIENCY vs. SWITCHING FREQUENCY (VIN = 3.3V, VOUT = 5V, IOUT = 2A) OPERATING FREQUENCY (MHz) 2 1 0 -1 -2 02 1 345 LOAD REGULATION (VIN = 3.3V, VOUT = 5V) OUTPUT CURRENT (A) -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 2.0 2.5 3.0 3.5 4.0 LINE REGULATION (VOUT = 5V, IOUT = 1A) INPUT VOLTAGE (V) 1000 0.1 01.0 0.5 2.0 3.5 NO-LOAD INPUT CURRENT vs. INPUT VOLTAGE 1 10 100 INPUT VOLTAGE (V) 1.5 2.5 3.0 VOUT = 3.3V VOUT = 5V INPUT VOLTAGE INCREASING INPUT VOLTAGE DECREASING 2.8 0.6 0.001 0.1 1 0.01 10 STARTUP VOLTAGE vs. LOAD CURRENT LOAD CURRENT (A) 1.0 0.8 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 TA = -40 °C TA = +25 °C TA = +85 °C VOUT = 3.3V VOUT = 5V -2.0 -1.0 -1.5 0 -0.5 0.5 1.0 -40 10 35 -15 60 85 SWITCHING FREQUENCY vs. TEMPERATURE TEMPERATURE ( °C) VOUT = 3.3V -5 0.1 1 10 NOISE vs. FREQUENCY 5 0 FREQUENCY (MHz) 15 10 20 25 30 -10 |
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