T78041-TB7-T

UNISONIC TECHNOLOGIES CO., LTD T78041 VERTICAL DEFLECTION OUTPUT CIRCUIT DESCRIPTION The UTC T78041 is a monolithic integrated circuit and designed for use in high-definition TV and CRT monitors. It is intended to directly drive the deflection coil. Besides, the T78041 offers a maximum deflection current of 2.2A peak to peak to suitable for large diameter CRTs. LINEAR INTEGRATED CIRCUIT FEATURES * Deflection current can be 2.2A peak value * Deflection voltage up to 70V * Flyback Generator * Thermal Protection Circuit * Low cross-over distortion * Supports DC Coupling *Pb-free plating product number: T78041L APPLICATIONS * Vertical deflection for monitors and TVs ORDERING INFORMATION Order Number Normal Lead Free Plating T78041-TB7-T T78041L-TB7-T Package TO-220Z7 Packing Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R121-010,A T78041 PIN CONFIGURATIONS 7 6 5 4 3 2 1 LINEAR INTEGRATED CIRCUIT Non-Inverting input Output stage supply Output Ground Flyback generator Supply voltage Inverting input Tab connected to Pin 4 BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R121-010,A T78041 ABSOLUTE MAXIMUM RATINGS LINEAR INTEGRATED CIRCUIT PARAMETER SYMBOL RATINGS UNIT Supply Voltage (pin 2 to Pin4) Vcc2 34 V Output Supply Voltage (pin 6 to Pin4) Vcc6 70 V Output Peak Current I5MAX -1.5 ~ +1.5 A Power Dissipation PD 9 W Junction Temperature TJ 150 ℃ Operating Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -40 ~ +150 ℃ Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERAML DATA PARAMETER Thermal Resistance Junction-Case SYMBOL θJC RATINGS 3.0 UNIT °C/W ELECTRICAL CHARACTERISTICS (Ta=25℃, Vcc=24V, unless otherwise specified) PARAMETER Supply Voltage Quiescent Current Recommend Biggest Deflect Current Output Saturated Voltage to GND Output Saturated Voltage to Supply Pin 3 Saturation Voltage to GND Pin 3 Saturation Voltage to GND (Return to Sweep the Second Part) Output Middle Point Voltage Thermal Shutdown Temperature SYMBOL VCC IQ I5P-P V5L V5H V3L V3(2) VO(MID) TEST CONDITIONS MIN. 16 35 I5=1.1A I5=-1.1A I3=20mA I3=-1.1A 11 12 140 TYP. 24 MAX. 33 65 2.2 1.5 3.5 1.8 3.2 13 UNIT V mA A V V V V V ℃ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R121-010,A T78041 APPLICATION CIRCUIT For AC Coupling (Single Power Supply) +VCC LINEAR INTEGRATED CIRCUIT CF 2 6 3 Flyback Generator 7 1 + Power Amplifier - Drive Stage Output Stage 5 Deflection Coil 0.22μF R1 VREF 2.2V + CS R4 4 Thermal Protection R2 R3 CL R5 For DC Coupling (Dual Power Supply) 0.47 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 300 4 of 5 QW-R121-010,A T78041 LINEAR INTEGRATED CIRCUIT U TC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R121-010,A