VERTICAL DEFLECTION BOOSTER

UNISONIC TECHNOLOGIES CO., LTD T8177 VERTICAL DEFLECTION BOOSTER DESCRIPTION The UTC T8177 is a vertical deflection booster integrated circuit and designed for CRT monitors and high performance TVs. It is intended to delivers flyback voltages up to 70V. The T8177 supplies with up to 35V and provides a maximum output current up to 3.0A peak to peak to drive the deflection yoke with a high efficiency. The UTC T8177 is offered in HEPTAWATT package. LINEAR INTEGRATED CIRCUIT FEATURES * Deflection current can be 3.0A peak value * Deflection voltage up to 70V (on Pin 5) * Flyback Generator * Thermal Protection Circuit * Supports DC Coupling *Pb-free plating product number: T8177L ORDERING INFORMATION Order Number Normal Lead Free Plating T8177-TB7-T T8177L-TB7-T www.DataSheet4U.com Package TO-220Z7 Packing Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R121-011,A T8177 PIN CONFIGURATION LINEAR INTEGRATED CIRCUIT 7 6 5 4 3 2 1 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-R121-011,A T8177 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage (Pin 2) (Note 1) Flyback Peak Voltage (Pin 6) (Note 1) Amplifier Input Voltage (Pin 1, Pin 7) (Note 1) Electrostatic Handling for All Pins (Note 4) Maximum Output Peak Current (Note 2, 3) Maximum Sink Current (First part of Flyback) (t < 1ms) Maximum Source Current (t < 1ms) Junction Temperature Operating Ambient Temperature LINEAR INTEGRATED CIRCUIT SYMBOL VCC V6 V1, V7 VESD IOUT I3 I3 TJ TOPR RATINGS 40 75 -0.3 ~ VS 2000 2.5 2.5 2.5 +150 -20 ~ +75 UNIT V V V V A A A ℃ ℃ Storage Temperature TSTG -40 ~ + 150 ℃ Notes: 1. Reference to GND pin. 2. For t ≤ 10μS, IO can be up to 4A peak to peak (up to 120Hz). 3. Provided output transistor SOA (see Figures 1 and 2). 4. Equivalent to discharging a 100pF capacitor through a 1.5kΩ series resistor. 5. 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 Junction-Case Thermal Resistance Temperature for Thermal Shutdown Maximum Junction Temperature SYMBOL θJC TSHDN TJ RATINGS 3 150 120 UNIT ℃/W ℃ ℃ ELECTRICAL CHARACTERISTICS (VCC = 35V, TA = 25℃, unless otherwise specified) PARAMETER Operating Supply Voltage Range Output Saturation Voltage to GND (Pin 4) Output Saturation Voltage to Supply (Pin 6) Diode Forward Voltage Between Pins 5-6 Diode Forward Voltage Between Pins 3-2 Saturation Voltage on Pin 3 Saturation Voltage to Pin 2 (2nd part of flyback) Max. Peak Output Current Pin 2 Quiescent Current Pin 6 Quiescent Current Amplifier Bias Current Amplifier Bias Current Offset Voltage Offset Drift Versus Temperature Voltage Gain SYMBOL TEST CONDITIONS VCC V5L V5H VD5 -6 VD3 -2 V3SL V3SH IO I2 I6 I1 I7 VI(OFF) DVI(OFF)/dt GV 80 -10 I5 = 1.5A I5 = -1.5A I5 = 1.5A I3 = 1.5A I3 = 20mA I3 = -1.5A I3 =0, I5 =0 I3 =0, I5 =0, V6 = 35V V1 = 22V, V7 = 23V V1 = 23V, V7 = 22V 8 MIN 10 TYP 1.0 1.8 1.8 1.6 0.4 2.1 9 15 -0.15 -0.15 MAX 35 1.7 2.3 2.3 2.2 1.0 2.8 1.5 20 30 -1.0 -1.0 7 UNIT V V V V V V V A mA mA μA μA mV μV/℃ dB UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R121-011,A T8177 APPLICATION CIRCUITS AC COUPLING +VCC LINEAR INTEGRATED CIRCUIT CF 2 6 3 Flyback Generator 1 Power Amplifier R5 VREF 2.2V + 7 + Drive Stage Output Stage 5 1.5Ω Thermal Protection 4 0.22μF R3 R4 CL R2 R1 DC COUPLING +VCC CF 2 6 3 Flyback Generator VREF + 1 R5 7 VREF -VEE 4 Thermal Protection 1.5Ω 0.22μF R2 R1 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 330Ω + YOKE 4 of 5 QW-R121-011,A Power Amplifier - Drive Stage Output Stage 5 T8177 TYPICAL CHARACTERISTICS LINEAR INTEGRATED CIRCUIT 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 ISB (%) IC (A) 5 of 5 QW-R121-011,A