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| TDA8174A VERTICAL DEFLECTION CIRCUIT s s s s s s s Ramp Generator Independent Amplitude Adjustement Buffer Stage Power Amplifier Flyback Generator Thermal Protection Internal Reference Voltage Decoupling MULTIWATT11 (Plastic Package) DESCRIPTION TDA8174A and TDA8174AW are monolithic integrated circuits. It is a full performance and very efficient vertical deflection circuit intended for direct drive of a TV picture tube in Color and B & W television as well as in Monitor and Data displays. ORDER CODE: TDA8174A CLIPWATT11 (Plastic Package) ORDER CODE: TDA8174AW Figure 1. Pin Connections OUTPUT STAGE V S POWER OUTPUT September 2003 1/7 8174a-01.eps 11 10 9 8 7 6 5 4 3 2 1 FLYBACK GENERATOR VS INVERTING INPUT BUFFER OUTPUT RAMP GENERATOR GROUND VOLTAGE REF DECOUPLING HEIGHT ADJUSTMENT TRIGGER INPUT 1 TDA8174A Figure 2. Block Diagram 10 2 TDA8174A 5 VOLTAGE REGULATOR FLYBACK GENERATOR 11 R3 TRIG-IN 3 RAMP GENERATOR CLOCK PULSE POWER AMP. 1 BUFFER STAGE THERMAL PROTECTION 8174a-02.eps 4 7 8 9 6 ABSOLUTE MAXIMUM RATINGS Symbol VS V1, V2 V3 V9 I0 I0 I11 I11 Ptot Tstg Tj Tamb Parameter Supply Voltage Flyback Peak Voltage Trigger Input Voltage Amplifier Input Voltage Output Peak-to-peak Current (non repetitive t = 2ms) Output Peak-to-peak Current t > 10s Pin 11 DC Current at V1 < V10 Pin 11 Peak-to-peak Current @ tfly < 1.5ms Total Power Dissipation @ Ttab = 60C Storage Temperature Junction Temperature Ambient Temperature Value 35 65 20 GND, VS 6 4 100 3 30 - 40, +150 0, +150 0, +70 Unit V V V V A A mA A W C C C THERMAL DATA Symbol Rth (j-tab) Rth(j-a) Parameter Thermal Resistance Junction-tab Thermal Resistance Junction-ambient Max. Max. Value 3 40 Unit C/W C/W 2/7 1 TDA8174A DC ELECTRICAL CHARACTERISTICS (VS = 35V ; Tamb = 25oC unless otherwise specified) Symbol I2 I10 -I7 -I7 dI7/I7 V1 V1L V1H V4 dV4/Vs dV4/dI4 V5 VD11-10 VD1-2 GV Vfs V11 V3 I3 t3 Test Conditions Min. I1 = 0, I11 = 0 I1 = 0, I11 = 0 V7 = 0 V7 = 0, -I4 = 20A 18.5 V6 = 0 to 15V, -I4 = 20A Ra = 30k, Rb = 10k, Vs = 35V 17.0 Quiescent Output Voltage Ra = 6.8k, Rb = 10k, Vs = 15V 7.2 I1 = 0.5A Out Saturation Voltage to GND I1 = 1.2A -I1 = 0.5A Out Saturation Voltage to Vs -I1 = 1.2A Reference Voltage -I4 = 20A 6.3 Reference Voltage Drift Versus Vs Vs = 10V to 35V Reference Voltage Drift Versus I4 I4 = 10A to 30A Internal Reference Voltage 4.25 Diode Fwd Voltage ID = 1.2A Diode Fwd Voltage ID = 1.2A Output Stage Open Loop Gain f = 100Hz V10-11 Saturation Voltage -I11 = 1.2A Pin 11 Scanning Voltage I11 = 20mA Trigger Input Threshold (see note 1) 2.6 Trigger Input Bias Current VIN = V3- 0.2V Trigger Input Width (see note 2) 20 Parameter Pin 2 Quiescent Current Pin 10 Quiescent Current Ramp Generator Bias Current Ramp Generator Current Ramp Generator Linearity Typ. 16 15 20 0.2 17.8 7.5 0.5 1 1.1 1.6 6.6 1 1.5 4.45 2.2 2.2 60 1.5 1.7 3.0 60 Max. 36 30 0.5 21.5 1 18.6 7.8 1 1.4 1.6 2.2 6.9 2 2 4.65 3 3 2.5 3 3.4 30 Th Unit mA mA A A % V V V V V V V mV/V mV/A V V V dB V V V A S Notes: 1. The trigger input circuit can accept, with a metal option, positive and negative going input pulses. 1.2 TS 2. Th = ------------------ where: TS is the vertical period and VPP is ramp amplitude at Pin7. V PP AC ELECTRICAL CHARACTERISTICS (VS = 24V ; Tamb = 25oC unless otherwise specified) Symbol Vs I1 Is V1 V8 Tjs Parameter Operating Supply Voltage Range Peak-to-peak Operating Current Range Supply Current Flyback Voltage Sawtooth Pedestall Voltage Junction Temp. for Thermal Shutdown Test Conditions Min. 10 0.4 Typ. Max. 30 Unit V A mA V V C Iy = 2.4App Iy = 2.4App 315 51 1.85 145 3/7 1 TDA8174A Figure 3. Application Circuit VS 0.1m F 10 470m F 2 100m F 35V FLYBACK GENERATOR 11 1N4001 TDA8174A VOLTAGE REGULATOR 5 10m F R3 TRIG-INP 3 RAMP GENERATOR CLOCK PULSE POWER AMP. 1 2.2W Ry = 9.6W YOKE Ly = 24.6mH Iy = 1.2App BUFFER STAGE 330W THERMAL PROTECTION 0.22m F Ra 4 47nF 180kW 7 8 9 6 Rb 2.4kW 1kW 1500m F 22m F 1.2kW 220kW 1.2W 4/7 1 8174a-03.eps TDA8174A PACKAGE MECHANICAL DATA 11 PINS - PLASTIC MULTIWATT Figure 4. 11-Pin Package 5/7 1 TDA8174A PACKAGE MECHANICAL DATA (Cont'd) 11 PINS - PLASTIC CLIPWATT Figure 5. 11-Pin Package 6/7 1 TDA8174A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without the express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c)2003 STMicroelectronics - All Rights Reserved. Purchase of I2C Components by STMicroelectronics conveys a license under the Philips I2C Patent. Rights to use these components in an I2C system is granted provided that the system conforms to the I2C Standard Specification as defined by Philips. STMicroelectronics Group of Companies Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 7/7 |
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