UNISONIC TECHNOLOGIES CO., LTD T8172 LINEAR INTEGRATED CIRCUIT VERTICAL DEFLECTION OUTPUT CIRCUIT DESCRIPTION The UTC T8172 is a monolithic integrated circuit and designed for Color and B/W TV, Monitors and Displays application. The IC is a differential input, single ended output amplifier with a flyback generator. It is intended to directly drive vertical windings of deflection coils with high efficiency. FEATURES * Power Amplifier * Thermal Protection Circuit * Flyback Generator * Low cross-over distortion *Pb-free plating product number: T8172L APPLICATIONS * Vertical deflection for monitors and TVs ORDERING INFORMATION Order Number Normal Lead Free Plating T8172-TB7-T T8172L-TB7-T www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd Package Packing TO-220Z7 Tube 1 of 5 QW-R121-009,A T8172 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATIONS 7 Non-Inverting input 6 Output stage supply 5 Output 4 Ground 3 Flyback generator 2 Supply voltage 1 Inverting input Tab connected to Pin 4 BLOCK DIAGRAM 3 6 2 Flyback Generator 1 Power Amplifier 7 Drive Stage Output Stage 5 + Thermal Protection 4 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R121-009,A T8172 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS Supply Voltage (pin 2) PARAMETER SYMBOL VCC RATINGS 35 UNIT V Flyback Peak Voltage V5, V6 60 V Voltage at Pin 3 V3 + VCC + V Amplifier Input Voltage V1, V7 V cc – 0.5 Output Peak Current IO(PEAK) 2.5 A (non repetitive, t = 2 ms) Output Peak Current IO(PEAK) 3 A ( f = 50 or 60 Hz, t ≤ 10 us ) Output Peak Current IO(PEAK) 2 A ( f = 50 or 60 Hz, t > 10 us ) Pin 3 DC Current at V5 <V2 I3 100 mA Pin 3 Peak to Peak Flyback Current I3 3 A ( f = 50 or 60 Hz, tfb ≤ 1.5 ms ) Total Power Dissipation PD 20 W (TC = 90 °C ) Junction Temperature TJ +150 °C Storage Temperature TSTG -40~+150 °C 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. THERMAL DATA PARAMETER Thermal Resistance Junction-Case SYMBOL θJC RATING 3 UNIT °C/W ELECTRICAL CHARACTERISTICS (Ta = 25°C, VCC = 35V, unless otherwise specified) PARAMETER Pin 2 Quiescent Current SYMBOL TEST CONDITIONS I2 I3 =0, I5 =0 Pin 6 Quiescent Current I6 Amplifier Input Bias Current I1 I3 =0, I5 = 0 MIN TYP 8 36 -1 mA V1 = 1V, V7 = 2V 16 -0.1 V1 = 2V, V7 = 1V -0.1 -1 μA 1.5 V Pin 3 Saturation Voltage to GND V3L I3 = 20mA 1 Quiescent Output Voltage V5 VCC = 35V, Ra =39kW 18 Output Saturation Voltage to GND V5L Output Saturation Voltage to Supply V5H Thermal Shutdown Junction Temperature TJ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MAX UNIT 16 mA μA V I5 = 1.2A 1 1.4 V I5 = 0.7A 0.7 1 V -I5 = 1.2A 1.6 2.2 V -I5 = 0.7A 1.3 140 1.8 V °C 3 of 5 QW-R121-009,A T8172 LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUIT +VCC 3 6 2 Flyback Generator 1 7 Power Amplifier + Drive Stage Thermal Protection Output Stage 5 Deflection Coil 4 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R121-009,A T8172 LINEAR INTEGRATED CIRCUIT TEST CIRCUIT FOR DC Test Circuit Figure 1. Measurement of I1 ; I2 ; I6 Figure 2. Measurement of V5H Figure 3. Measurement of V3L ; V5L Figure 4. Measurement of V5 UTC 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-R121-009,A