T8172

T8172 UTC | Alldatasheet

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UNISONIC TECHNOLOGIES CO., LTD T8172 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 5 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R121-009,A 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 „ APPLICATIONS * Vertical deflection for monitors and TVs *Pb-free plating product number: T8172L „ ORDERING INFORMATION Order Number Normal Lead Free Plating Package Packing T8172-TB7-T T8172L-TB7-T TO-220Z7 Tube

T8172 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 5 www.unisonic.com.tw QW-R121-009,A „ PIN CONFIGURATIONS Tab connected to Pin 4 Non-Inverting input Output stage supply Output Ground Flyback generator Supply voltage Inverting input „ BLOCK DIAGRAM 2 6 3 Flyback Generator Thermal Protection Power Amplifier Drive Stage Output Stage

T8172 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 5 www.unisonic.com.tw QW-R121-009,A „ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage (pin 2) V CC 35 V Flyback Peak Voltage V 5, V6 60 V Voltage at Pin 3 V3 + V CC Amplifier Input Voltage V 1, V7 + Vcc – 0.5 V Output Peak Current (non repetitive, t = 2 ms) IO(PEAK) 2.5 A Output Peak Current ( f = 50 or 60 Hz, t ≤ 10 us ) IO(PEAK) 3 A Output Peak Current ( f = 50 or 60 Hz, t > 10 us ) IO(PEAK) 2 A Pin 3 DC Current at V5 <V2 I 3 100 mA Pin 3 Peak to Peak Flyback Current ( f = 50 or 60 Hz, tfb ≤ 1.5 ms ) I3 3 A Total Power Dissipation (TC = 90 °C ) PD 20 W Junction Temperature T J +150 °C Storage Temperature T STG -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 SYMBOL RATING UNIT Thermal Resistance Junction-Case θJC 3 °C/W „ ELECTRICAL CHARACTERISTICS (Ta = 25°C, VCC = 35V, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Pin 2 Quiescent Current I 2 I 3 =0, I5 =0 8 16 mA Pin 6 Quiescent Current I 6 I 3 =0, I5 = 0 16 36 mA V1 = 1V, V7 = 2V -0.1 -1 μAAmplifier Input Bias Current I 1 V1 = 2V, V7 = 1V -0.1 -1 μA Pin 3 Saturation Voltage to GND V 3L I 3 = 20mA 1 1.5 V Quiescent Output Voltage V 5 V CC = 35V, Ra =39kW 18 V I5 = 1.2A 1 1.4 V Output Saturation Voltage to GND V 5L I5 = 0.7A 0.7 1 V -I5 = 1.2A 1.6 2.2 V Output Saturation Voltage to Supply V 5H -I5 = 0.7A 1.3 1.8 V Thermal Shutdown Junction Temperature T J 140 °C

T8172 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 5 www.unisonic.com.tw QW-R121-009,A „ APPLICATION CIRCUIT +VCC 2 6 3 Flyback Generator Thermal Protection Power Amplifier Deflection Coil Drive Stage Output Stage