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DIT8545 데이터시트(PDF) 1 Page - Interpion semiconductor |
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DIT8545 데이터시트(HTML) 1 Page - Interpion semiconductor |
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1 / 8 page ![]() DIT8545 Aug. 2002 - 1 - WWW.INTERPIONSEMI.COM Ceratrans Driver for LCD Backlight DIT8545 is an advanced LCD backlight inverter con- trol IC based on the piezo-ceramic transformer. The new control scheme employing the variable fr e- quency and duty control achieves the very high effi- ciency over 90%. In this control scheme, the soft start and zero voltage switching functions are aut o- matically obtained. DIT8545 can realize the CCFL backlight inverter with small size and low cost. - Soft start function - Programmable Operating Frequency - Analog Dimming Control Function - Burst Dimming Control - ON/OFF Control Function - Open Lamp Protection - 10SSOP Package Device Package Operating Temp DIT8545 10SSOP-225 -25OC ~ +85OC DESCRIPTIONS BLOCK DIAGRAM ORDER INFORMATION FEATURES Bias Generator UVLO Bandgap Reference 10 9 8 7 6 1 2 3 4 5 Latch VCC OUT GND ON/OFF PROT TONCTL EO EI RT CT TONCT L RT CT VFVCO Driver |
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