T8172

UNISONIC TECHNOLOGIES CO., LTD T8172 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. LINEAR INTEGRATED CIRCUIT 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 Package TO-220Z7 Packing Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R121-009,A T8172 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 2 6 3 Flyback Generator 1 Power Amplifier Drive Stage Output Stage 5 7 + Thermal Protection 4 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R121-009,A T8172 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage (pin 2) Flyback Peak Voltage LINEAR INTEGRATED CIRCUIT SYMBOL VCC V5, V6 RATINGS 35 60 UNIT V V Voltage at Pin 3 V3 + VCC + Vcc – 0.5 Amplifier Input Voltage V1, V7 V 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