BU931 BU931P HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON ■ ■ ■ VERY RUGGED BIPOLAR TECHNOLOGY HIGH OPERATING JUNCTION TEMPERATURE WIDE RANGE OF PACKAGES APPLICATIONS ■ HIGH RUGGEDNESS ELECTRONIC IGNITIONS 1 3 2 2 1 TO-3 TO-218 INTERNAL SCHEMATIC DIAGRAM for TO-3 Emitter: pin 2 Base: pin1 Collector: tab ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value BU931 Uni t BU931P V CES Collector-Emitter Voltage (V BE = 0) 500 V V CEO Collector-Emitter Voltage (I B = 0) 400 V V EBO Emitter-Base Voltage (I C = 0) IC I CM 5 V Collector Current 15 A Collector Peak Current 30 A Base Current 1 A I BM Base Peak Current 5 A P t ot Total Dissipation at T c = 25 oC T stg Storage Temperature IB Tj Max. O perating Junction Temperature September 1999 175 135 -65 to 200 -65 to 175 o W C 200 175 o C 1/7 BU931 / BU931P THERMAL DATA R t hj-ca se Thermal Resistance Junction-case Max T O-3 T O-218 1 1.1 o C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symb ol Parameter Test Cond ition s I CES Collector Cut-off Current (V BE = 0) V CE = 500 V V CE = 500 V T j = 125 oC I CEO Collector Cut-off Current (IB = 0) V CE = 450 V V CE = 450 V T j = 125 C Emitter Cut-off Current (I C = 0) V EB = 5 V I EBO V CEO(sus )∗ Collector-Emitter Sustaining Voltage (I B = 0) Min. Typ . o I C = 100 mA L = 10 mH V Clamp = 400 V (See F ig.4) Max. Un it 100 0.5 µA mA 100 0.5 µA mA 20 mA 400 V V CE(sat )∗ Collector-Emitter Saturation Voltage IC = 7 A IC = 8 A I C = 10 A IB = 70 mA IB = 100 mA IB = 250 mA 1.6 1.8 1.8 V V V V BE(s at)∗ Base-Emitter Saturation Voltage IC = 7 A IC = 8 A I C = 10 A IB = 70 mA IB = 100 mA IB = 250 mA 2.2 2.4 2.5 V V V DC Current G ain IC = 5 A V CE = 10 V Diode Forward Voltage I F = 10 A 2.5 V Functional Test (see fig. 1) V CC = 24 V L = 7 mH V cl amp = 400 V INDUCTIVE LOAD Storage Time Fall T ime (see fig. 3) V CC = 12 V L = 7 mH IC = 7 A V BE = 0 V cl amp = 300 V h FE∗ VF ts tf IB = 70 mA R BE = 47 Ω ∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 % Safe Operating Area 2/7 DC Current Gain 300 8 A 15 0.5 µs µs BU931 / BU931P Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Base Emitter Saturation Voltage Base Emitter Saturation Voltage Switching Time Inductive Load 3/7 BU931 / BU931P FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms FIGURE 3: Switching Time Test Circuit FIGURE 4: Sustaining Voltage Test Circuit 4/7 BU931 / BU931P TO-3 MECHANICAL DATA mm DIM. MIN. inch TYP. MAX. MIN. TYP. MAX. A 11.00 13.10 0.433 0.516 B 0.97 1.15 0.038 0.045 C 1.50 1.65 0.059 0.065 D 8.32 8.92 0.327 0.351 E 19.00 20.00 0.748 0.787 G 10.70 11.10 0.421 0.437 N 16.50 17.20 0.649 0.677 P 25.00 26.00 0.984 1.023 R 4.00 4.09 0.157 0.161 U 38.50 39.30 1.515 1.547 V 30.00 30.30 1.187 1.193 A P C O N B V E G U D R P003F 5/7 BU931 / BU931P TO-218 (SOT-93) MECHANICAL DATA mm DIM. MIN. inch TYP. MAX. MIN. TYP. MAX. A 4.7 4.9 0.185 0.193 C 1.17 1.37 0.046 0.054 D 2.5 0.098 E 0.5 0.78 0.019 0.030 F 1.1 1.3 0.043 0.051 G 10.8 11.1 0.425 0.437 H 14.7 15.2 0.578 0.598 L2 – 16.2 – 0.637 L3 18 L5 0.708 3.95 4.15 L6 0.155 0.163 31 1.220 – 12.2 – 0.480 Ø 4 4.1 0.157 0.161 D C A E R L6 L5 H G L3 L2 F ¯ R 6/7 1 2 3 P025A BU931 / BU931P 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 1999 STMicroelectronics – Printed in Italy – All Rights Reserved 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