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DIT8545 数据表(PDF) 3 Page - Interpion semiconductor |
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DIT8545 数据表(HTML) 3 Page - Interpion semiconductor |
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3 / 8 page ![]() DIT8545 Aug. 2002 - 3 - WWW.INTERPIONSEMI.COM Ceratrans Driver for LCD Backlight CHARACTERISTICS SYMBOL VALUE UNIT Supply Voltage Vcc 13.5 V Power Dissipation Pd 0.3 W Operating Temperature Topr -25 ~ +85 O C Storage Temperature Tstg -55 ~ 150 O C ABSOLUTE MAXIMUM RATINGS CHARACTERISTICS SYMBOL VALUE UNIT Supply Voltage Vcc 3~13.5 V Oscillator Frequency fosc 40~250 kHz RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS CHARACTERISTICS SYMBOL CONDITIONS MIN TYP MAX UNIT [ Operating Current Specifications] On State Supply Current Icc(on) ON/OFF=2V - 3.5 6 mA Off State Supply Current Icc(off) ON/OFF=0V - 350 600 uA Average Operating Current Iop CT=470pF - 4 7 mA On State Start-up Current Ist(on) VCC=VthH - 0.3V ON/OFF=2V - 250 400 uA Off State Start-up Current Ist(off) VCC=VthH - 0.3V ON/OFF=0V - 200 400 uA [ Voltage Controlled Oscillator ] RT Voltage Vref 1.235 1.260 1.285 V RT Voltage Line Regulation Vline VCC=5V ->12V -20 2 20 mV RT Voltage Load Regulation Vload Io=100uA~1mA -20 2 20 mV RT Terminal Maximum Current IRTmax RT=0V - 7 16 mA (Ta = 25OC, VCC=5V, RT=13.8K CT=1.5V, PROT=0V unless otherwise specified.) |
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