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MAX685 датащи(PDF) 4 Page - Maxim Integrated Products |
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MAX685 датащи(HTML) 4 Page - Maxim Integrated Products |
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4 / 12 page ![]() 1.240 1.242 1.244 1.248 1.246 1.250 1.252 1.254 -40 20 0 -20 40 60 80 100 REFERENCE VOLTAGE vs. TEMPERATURE TEMPERATURE (°C) VIN = 5.0V VIN = 3.3V Dual-Output (Positive and Negative), DC-DC Converter for CCD and LCD 4 _______________________________________________________________________________________ 60 70 80 90 0 4 2 6 8 10 EFFICIENCY vs. LOAD CURRENT (POSITIVE OUTPUT LOADED) LOAD CURRENT (mA) VIN = 5.0V VIN = 3.3V 50 60 55 70 65 80 75 85 0 4 2 3 5 1 6 7 9 8 10 EFFICIENCY vs. LOAD CURRENT (NEGATIVE OUTPUT LOADED) LOAD CURRENT (mA) VIN = 5.0V VIN = 3.3V 50 65 55 60 75 70 85 80 90 0 4 2 6 8 10 EFFICIENCY vs. LOAD CURRENT (BOTH OUTPUTS LOADED) LOAD CURRENT (mA) VIN = 5.0V VIN = 3.3V 0 0.5 1.0 1.5 2.0 2.5 3.5 3.0 4.0 4.5 5.0 5.5 NO-LOAD CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 150 180 170 160 190 200 210 220 230 240 250 2.7 3.7 3.2 4.2 4.7 5.2 5.7 LX SWITCHING FREQUENCY vs. INPUT VOLTAGE INPUT VOLTAGE (V) SYNC = VDD 1.248 1.249 1.250 0 15 20 5 10 25 30 35 40 45 50 REFERENCE LOAD REGULATION LOAD CURRENT (µA) Typical Operating Characteristics (Circuit of Figure 3, VOUT+ = 15V, VOUT- = -7.5V, TA = +25°C, unless otherwise noted.) |
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