BU931T ® HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON TRANSISTOR ■ ■ VERY RUGGED BIPOLAR TECHNOLOGY HIGH OPERATING JUNCTION TEMPERATURE APPLICATIONS HIGH RUGGEDNESS ELECTRONIC IGNITIONS ■ 3 1 2 TO-220 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V CES Collector-Emitter Voltage (V BE = 0) 500 V V CEO Emitter-Base Voltage (I B = 0) 400 V V EBO Emitter-Base Voltage (I C = 0) 5 V Collector Current 10 A I CM IB Collector Peak Current Base Current 15 1 A A IC I BM Base Peak Current P tot Total Dissipation at T c = 25 o C T stg Storage Temperature Tj Max. Operating Junction Temperature October 2003 5 A 125 W -65 to 175 o C 175 o C 1/6 BU931T THERMAL DATA R thj-case Thermal Resistance Junction-case Max o 1.2 C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit I CES Collector Cut-off Current (V BE = 0) V CE = 500 V V CE = 500 V T C = 125 o C 100 0.5 µA mA I CEO Collector Cut-off Current (I B = 0) V CE = 450 V V CE = 450 V T C = 125 o C 100 0.5 µA mA I EBO Emitter Cut-off Current (I C = 0) V EB = 5 V 20 mA V CEO(SUS) ∗ Collector-Emitter Saturation Voltage (I B = 0) I C = 100 mA L = 10 mH I B = 0 V CLAMP = 400 V (see fig.4) 400 V V CE(sat) ∗ Collector-Emitter Saturation Voltage IC = 7 A IC = 8 A I B = 70 mA I B = 100 mA 1.6 1.8 V V V BE(sat) ∗ Base-Emitter Saturation Voltage IC = 7 A IC = 8 A I B = 70 mA I B = 100 mA 2.2 2.4 V V DC Current Gain IC = 5 A 2.5 V h FE ∗ VF ts tf V CE = 10 V Diode Forward Voltage I F = 10 A Functional Test V CC = 24 V V clamp = 400 V L= 7 mH (see fig. 1) INDUCTIVE LOAD Storage Time Fall Time V CC = 12 V V clamp = 300 V L= 7 mH I C = 7 A I B = 70 mA R BE = 47 Ω V BE = 0 (see fig. 3) ∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 % Safe Operating Area 2/6 300 DC Current Gain 8 A 15 0.5 µs µs BU931T Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Base Emitter Saturation Voltage Base Emitter Saturation Voltage Switching Time Inductive Load 3/6 BU931T FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms FIGURE 3: Switching Time Test Circuit FIGURE 4: Sustaining Voltage Test Circuit 4/6 BU931T TO-220 MECHANICAL DATA DIM. mm MIN. TYP. inch MAX. MIN. TYP. MAX. A 4.40 4.60 0.173 0.181 C 1.23 1.32 0.048 0.052 D 2.40 2.72 0.094 0.107 E 0.49 0.70 0.019 0.027 F 0.61 0.88 0.024 0.034 F1 1.14 1.70 0.044 0.067 F2 1.14 1.70 0.044 0.067 G 4.95 5.15 0.194 0.202 G1 2.40 2.70 0.094 0.106 H2 10.00 10.40 0.394 L2 L4 16.40 13.00 0.409 0.645 14.00 0.511 0.551 0.116 L5 2.65 2.95 0.104 L6 15.25 15.75 0.600 0.620 L7 6.20 6.60 0.244 0.260 L9 3.50 3.93 0.137 0.154 3.85 0.147 M DIA. 2.60 3.75 0.102 0.151 P011CI 5/6 BU931T 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. All other names are the property of their respective owners. © 2003 STMicroelectronics – All Rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 6/6