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