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MAX1514 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX1514 Datasheet(HTML) 7 Page - Maxim Integrated Products |
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7 / 28 page  TFT-LCD Power-Supply Controllers _______________________________________________________________________________________ 7 Typical Operating Characteristics (Circuit of Figure 1, VIN = 5V, VMAIN = 15V, VGON = 25V, VGOFF = -10V, VLOGIC = 3.3V, VGAMMA = 14.7V, TA = +25°C, unless other- wise noted.) STEP-UP OUTPUT VOLTAGE vs. LOAD CURRENT LOAD CURRENT (mA) 600 500 400 300 200 100 14.7 14.8 14.9 15.0 15.1 14.6 0700 VIN = 5V VIN = 15V fOSC = 1.5MHz STEP-UP EFFICIENCY vs. LOAD CURRENT (1.5MHz) LOAD CURRENT (mA) 700 600 500 400 300 200 100 50 60 70 80 90 100 40 0800 VIN = 5.0V VIN = 2.7V VIN = 3.3V STEP-UP REGULATOR LOAD-TRANSIENT RESPONSE MAX1513/14 toc03 4 µs/div VMAIN 100mV AC-COUPLED IMAIN 500mA/div 0.1A IL 1A/div 0A STEP-UP REGULATOR PULSED-LOAD-TRANSIENT RESPONSE MAX1513/14 toc04 4 µs/div VMAIN 100mV/div AC-COUPLED IMAIN 1A/div 0.1A IL 1A/div 0A STEP-UP REGULATOR SOFT-START MAX1513/14 toc05 400 µs/div VMAIN 5V/div 0V IL 2A/div 0A POWER-UP SEQUENCE MAX1513/14 toc06 4ms/div VLOGIC 5V/div VMAIN 20V/div VGON 20V/div VGOFF 10V/div VGAMMA 20V/div 0V 0V 0V 0V 0V LINEAR REGULATOR REG L LOAD-TRANSIENT RESPONSE MAX1513/14 toc07 20 µs/div VLOGIC 50mV/div AC-COUPLED ILOGIC 500mA/div 0mA BUFFER-AMPLIFIER SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 12 10 8 6 0.2 0.4 0.6 0.8 1.0 1.2 0 414 NO LOAD VFBPB = VSUPB / 2 BUFFER-AMPLIFIER SMALL-SIGNAL STEP RESPONSE MAX1513/14 toc09 400ns/div VFBPB 50mV/div AC-COUPLED VOUTB 50mV/div AC-COUPLED |
Similar Part No. - MAX1514 |
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Similar Description - MAX1514 |
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