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| (R) ST931ZT HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON s s s VERY RUGGED BIPOLAR TECHNOLOGY BUILT IN CLAMPING ZENER HIGH OPERATING JUNCTION TEMPERATURE s APPLICATIONS HIGH RUGGEDNESS ELECTRONIC IGNITIONS DESCRIPTION The ST931ZT is specifically designed for automotive electronic ignition. The built in clamping Zener is characterized with tight voltage spread range (350V to 500V). 3 1 2 TO-220 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V CEO V EBO IC I CM IB I BM P tot T stg Tj Parameter Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Collector Peak Current Base Current Base Peak Current Total Dissipation at T c = 25 o C Storage Temperature Max. Operating Junction Temperature Value 350 5 10 15 1 5 125 -65 to 175 175 Unit V V A A A A W o o C C March 1999 1/4 ST931ZT THERMAL DATA R thj-case Thermal Resistance Junction-case Max 1.2 o C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symbol I CEO I EBO V CL V CE(sat) V BE(sat) h FE VF Parameter Collector Cut-off Current (I B = 0) Emitter Cut-off Current (I C = 0) Clamping Voltage Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage DC Current Gain Test Conditions V CE = 300 V V CE = 300 V V EB = 5 V I C = 100 mA IC = 7 A IC = 8 A IC = 7 A IC = 8 A IC = 5 A I B = 70 mA I B = 100 mA I B = 70 mA I B = 100 mA V CE = 10 V 300 2.5 8 V A 350 T j = 125 o C Min. Typ. Max. 100 0.5 20 500 1.6 1.8 2.2 2.4 Unit A mA mA V V V V V Diode Forward Voltage I F = 8 A Functional Test (see fig. 1) V CC = 24 V L= 7 mH V CC = 12 V L= 7 mH V clamp = 300 V I C = 7 A I B = 70 mA R BE = 47 V BE = 0 ts tf INDUCTIVE LOAD Storage Time Fall Time (see fig. 3) 15 0.5 s s Pulsed: Pulse duration = 300 s, duty cycle 1.5 % 2/4 ST931ZT TO-220 MECHANICAL DATA DIM. MIN. A C D D1 E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 DIA. 13.0 2.65 15.25 6.2 3.5 3.75 0.49 0.61 1.14 1.14 4.95 2.4 10.0 16.4 14.0 2.95 15.75 6.6 3.93 3.85 0.511 0.104 0.600 0.244 0.137 0.147 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 2.7 10.40 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.551 0.116 0.620 0.260 0.154 0.151 mm TYP. MAX. 4.60 1.32 2.72 MIN. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.106 0.409 inch TYP. MAX. 0.181 0.051 0.107 P011C 3/4 ST931ZT 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. Specification 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 express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com . 4/4 |
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