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
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