STV9378 VERTICAL DEFLECTION BOOSTER POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION

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1 VERTICAL DEFLECTION BOOSTER ADVANCE DATA POWER AMPLIFIER THERMAL PROTECTION. OUTPUT CURRENT UP TO 2.0APP VOLTAGE UP TO 90V (on Pin ) INTERNAL REFERENCE VOLTAGE DESCRIPTION Designed for monitors and high performance TVs, the STV98 vertical deflection booster delivers flyback voltages up to 90V. The STV98 operateswith supplies up to 2V and provides up to 2App output current to drive the yoke. The STV98 is offered in HEPTAWATT package. HEPTAWATT (Plastic Package) ORDER CODE : STV98 PIN CONNECTIONS 6 2 Non-inverting Input and Reference Voltage Output Stage Supply Output GND Flyback Generator Supply Voltage Inverting Input Tab connected to pin 98-0.EPS July 99 / This is advance information on a new product now in development or undergoing evaluation. Detailsare subject to change without notice.

2 BLOCK DIAGRAM OUTPUT SUPPLY STAGE VOLTAGE SUPPLY 2 6 REFERENCE VOLTAGE 0kΩ INVERTING INPUT NON-INVERTING INPUT OR REFERENCE VOLTAGE STV98 POWER AMPLIFIER GROUND THER MAL PROTECTION OUTPUT EPS ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage (Pin 2) (see note ) 0 V V 6 Flyback Peak Voltage (Pin 6) (see note ) 00 V V,V Amplifier Input Voltage (Pins -) (see note ) - 0., + V S V I O Maximum Output Peak Current (see notes 2 and ). A I Maximum Sink Current (first part of flyback) (t < ms). A I Maximum Source Current (t < ms). A Toper Operating Ambient Temperature - 20, + T stg Storage Temperature - 0, + 0 Tj Junction Temperature TBL Notes :. Versus GND. 2. The output current can reach A peak for t 0µs (up to 20Hz).. Provided SOAR is respected (see Figures and 2). THERMAL DATA Symbol Parameter Value Unit Rth (j-c) Junction-case Thermal Resistance Max. /W T t Temperature for Thermal Shutdown 0 T t Hysteresis on Tt 0 T jr Recommended Max. Junction Temperature TBL 2/

3 ELECTRICAL CHARACTERISTICS (VS = 2V, TA =2, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit V S Operating Supply Voltage Range 0 2 V I2 Pin 2 Quiescent Current I = 0,I = ma I6 Pin 6 Quiescent Current I =0,I =0 0 0 ma I O Max. Peak Output Current A I Amplifier Bias Current V = V µa V Internal Reference Voltage V V V S Reference Voltage Drift versus VS VS = 2 to 2V 2 mv/v Kt Reference Voltage Drift versus T j 00 0 ppm/ GV Voltage Gain 80 db VL Output Saturation Voltage to GND (Pin ) I = A. V VH Output Saturation Voltage to Supply (Pin 6) I = - A.6 2. V VD - 6 Diode Forward Voltage between Pins -6 I = A. 2 V V D - 2 Diode Forward Voltage between Pins -2 I = A. 2 V VL Saturation Voltage on Pin I = 20mA V VSH Saturation Voltage to Pin 2 (2nd part of flyback) I = - A V 98-0.TBL APPLICATION CIRCUIT +V S C F 2 6 REFERENCE VOLTAGE 0µF R 0kΩ STV98 POWER AMPLIFIER THERMAL PROTECTION.Ω 0.22µF 0Ω YOKE R R C L R2 R 98-0.EPS /

4 Figure : I C (A) Output Transistors SOA (for secondary case =2 C t = ms t = 0ms t = 00ms V CE (V) EPS Figure 2 : ISB (%) Secondary Breakdown Temperature Derating Curve (ISB = secondary breakdown current) T case ( C) EPS /

5 PACKAGE MECHANICAL DATA : PINS - PLASTIC HEPTAWAT L E L L L2 L H G G G2 A C D M M D Dia. L L6 F H2 F PM-HEPTV.EPS Dimensions Millimeters Inches Min. Typ. Max. Min. Typ. Max. A C. 0.0 D D E F F G G G H H L L L L L L L M M Dia HEPTV.TBL Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics 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 itsuse. No licence is granted by implication or otherwise under anypatent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 99 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I 2 C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I 2 C Patent. Rights to use these components in a I 2 C system, is granted provided that the system conforms to the I 2 C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. /