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MAX20070 数据表(PDF) 9 Page - Maxim Integrated Products |
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MAX20070 数据表(HTML) 9 Page - Maxim Integrated Products |
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9 / 34 page ![]() (TA = +25°C.) 70 72 74 76 78 80 82 84 86 88 90 10 30 50 70 90 IDIFF(mA) EFFICIENCY WITH DIFF LOAD FROM VPOS TO VNEG IGVDD= IGVEE= 0A toc13 10V/div 5V/div 0V toc10 20ms/div POWER SUPPLY SEQUENCE OF ALL SUPPLY OUTPUTS (LED DRIVER NOT SHOWN) VNEG 10V/div 5V/div VGVDD VPOS VGVEE 0 20 40 60 80 100 120 140 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 RISET(K) ILED vs. RISET toc16 15.90 15.95 16.00 16.05 16.10 0.5 1.0 1.5 2.0 2.5 3.0 IGVDD(mA) GVDD LOAD REGULATION IPOS= INEG= IGVEE= 0A toc11 4.98 4.99 5.00 5.01 5.02 5.03 5.04 5.05 0 10 20 30 40 VBATT (V) VCC LINE REGULATION TA = -40ºC toc17 TA = +105ºC VCC at no load TA = +25ºC 7.00 7.01 7.02 7.03 7.04 7.05 7.06 7.07 7.08 7.09 7.10 0.5 1.0 1.5 2.0 2.5 3.0 IGVDD(mA) GVEE LOAD REGULATION IPOS= INEG= IGVDD= 0A toc12 4.98 4.99 5.00 5.01 5.02 5.03 5.04 5.05 0 10 20 30 40 IVCC (mA) VCC LOAD REGULATION TA = -40ºC toc18 T A= +105ºC TA = +25ºC 0 5 10 15 20 25 30 0 10 20 30 40 VBATT (V) BATT SUPPLY CURRENT vs. BATT VOLTAGE toc14 VDIM= 0V, VEN= 3.3V TA = +25ºC 1.2400 1.2425 1.2450 1.2475 1.2500 1.2525 1.2550 1.2575 1.2600 -40 -25 -10 5 20 35 50 65 80 95 TEMPERATURE (ºC) VISET vs. TEMPERATURE VDIM= 0V toc15 Maxim Integrated │ 9 www.maximintegrated.com MAX20070 Integrated TFT Power Supply and LED Backlight Driver Typical Operating Characteristics (continued) |
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