TDA1771 VERTICAL DEFLECTION CIRCUIT ■ ■ ■ ■ ■ ■ ■ RAMP GENERATOR INDEPENDENT AMPLITUDE ADJUSTEMENT BUFFER STAGE POWER AMPLIFIER FLYBACK GENERATOR INTERNAL REFERENCE VOLTAGE THERMAL PROTECTION DESCRIPTION The TDA1771 is a monolithic integrated circuit in SIP10 package. 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. SIP10 (Plastic Package) Figure 1. PIN CONNECTIONS (Top View) 10 9 8 7 6 5 4 3 2 1 FLYBACK GENERATOR VS INVERTING INPUT BUFFER OUTPUT RAMP GENERATOR GROUND HEIGHT ADJUSTMENT TRIGGER INPUT OUTPUT STAGE V S POWER OUTPUT Figure 2. BLOCK DIAGRAM 9 2 VOLTAGE REGULATOR FLYBACK GENERATOR 10 R3 TRIGGER IN 3 CLOCK PULSE RAMP GENERATOR POWER AMP. BUFFER STAGE 4 6 1 THERMAL PROTECTION 7 8 5 September 2003 This is preliminary information on a new product now in development. Details are subject to change without notice. 1/5 1 TDA1771 ABSOLUTE MAXIMUM RATINGS Symbol VS V1,V2 V3 V8 I0 I0 I10 I10 Ptot TS,TJ 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 > 10µs Pin 10 DC Current at V1 < V9 Pin 10 Peak to Peak Current @ tfly < 1.5ms Total Power Dissipation @ Ttab = 60°C Storage and Junction Temperature Value 30 65 20 GNDtoVS 6 4 100 3 9 - 40, + 150 Unit V V V V A A mA A W °C Value 10 70 Unit °C/W °C/W THERMAL DATA Symbol Rth (j-tab) Rth (j-a) Parameter+ Thermal Resistance Junction-tab Thermal Resistance Junction-ambient Max. Max. ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified) Symbol DC(VS=30V) I2 I9 -I6 -I6 dI6/I6 V1 V1L V1H V4 dV4/VS dV4/dI4 Vr Gv Vfs V10 V3 I3 t3 Parameter TestConditions Pin 2 Quiescent Current Pin 9 Quiescent Current Ramp Generator Bias Current Ramp Generator Current Ramp Gener. Linearity Quiescent Output Voltage Out Saturation Voltage to GND Out Saturation Voltage to VS Reference Voltage Reference Voltage Drift Versus Reference Voltage Drift Versus Internal Ref. Voltage Ouput Stage Open Loop Gain V9 - 10 Saturation Voltage Pin 10 Scanning Voltage Trigger Input Threshold Trigger Input Bias Current Trigger Input Width VS I4 I1 = 0, I10 = 0 I1 = 0, I10 = 0 V6 = 0 V6 = 0, - I4 = 20µA V6 = 0 to 15V, - I4 = 20µA Ra = 30kΩ, Rb = 10kΩ, VS = 30V Ra = 6.8kΩ, Rb = 10kΩ, VS = 15V I1 = 0.5A I1 = 1.2A - I1 = 0.5A - I1 = 1.2A - I4 = 20µA VS = 10V to 30V I4 = 10µA to 30µA f = 100Hz - I10 = 1.2A I10 = 20mA (see note 1) VIN = V3 - 0.2V (see note 2) Min. Typ. Max. Unit 16 15 mA mA µA µA % V V V V V V V mV/V mV/µA V dB V V V µA µS 36 30 0.5 18.5 20 21.5 0.2 1 17.0 17.8 18.6 7.2 7.5 7.8 0.5 1 1 1.4 1.1 1.6 1.6 2.2 6.3 6.6 6.9 1 2 1.5 2 4.26 4.40 4.54 60 1.5 2.5 1.7 3 2.6 3.0 3.4 30 20 60 th Notes: 1. The trigger input circuit can accept, with a metal option, positive and negative going pulses. 2. th = 1.2 ⋅ t S where tS is the vertical period and VPP is ramp amplitude at Pin 6. -----------------V PP 2/5 1 TDA1771 ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified) Symbol DC (VS = 24V) VS I1 IS V1 V7 TJS Parameter Test Conditions Operating Supply Voltage Range Peak-to-peak Operating Current Range Supply Current Flyback Voltage Sawtooh Pedestall Voltage Junction Temp. for Thermal Shutdown Min. Typ. 10 0.4 IY = 2.4App IY = 2.4App Max. Unit 30 2.5 V A mA V V °C 315 51 1.85 145 APPLICATION CIRCUIT +VS 0.1µF 470µF 1N4001 9 2 100µF 35V VOLTAGE REGULATOR FLYBACK GENERATOR 10 POWER AMP. 1 R3 TRIGGER IN 3 CLOCK PULSE RAMP GENERATOR 2.2Ω 330Ω BUFFER STAGE 0.22µF THERMAL PROTECTION Ry = 9.6Ω YOKE Ly = 24.6mH Iy = 1.2App 2.4kΩ 4 6 7 8 5 1.2kΩ 1kΩ 1500µF 47nF 180kΩ 22µF 220kΩ 1.2Ω 3/5 1 TDA1771 PACKAGE MECHANICAL DATA 10 PINS - PLASTIC SIP Figure 3. 10-Pin Plastic Single in Line Package Dim. C Typ A a1 c2 L3 D mm Min 2.7 L1 d1 Max 0.280 3 0.106 0.118 0.976 0.5 0.020 0.85 1.5 0.033 0.063 C 3.3 0.130 c1 0.43 0.017 c2 1.32 0.052 A M Typ 24.8 b1 b3 Min 7.1 B N inches Max a1 L2 D 1 10 23.7 0.933 d1 14.5 0.571 e 2.54 0.100 22.86 0.900 L e3 L b1 b3 e3 B e c1 3.1 0.122 L1 3 L2 17.6 L3 0.118 0.693 0.25 M 3.2 N 1 0.010 0.126 0.039 Number of Pins 10 4/5 1 TDA1771 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 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. 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