STMICROELECTRONICS BU941PFI

BU941/BU941P
BU941PFI

HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
■
■
■
■
■
NPN DARLINGTON
INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE
VERY RUGGED BIPOLAR TECHNOLOGY
HIGH OPERATING JUNCTION
TEMPERATURE
WIDE RANGE OF PACKAGES
TO-3
1
2
APPLICATIONS
■
HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
3
3
2
2
TO-218
1
ISOWATT218
1
INTERNAL SCHEMATIC DIAGRAM
for TO-3
Emitter: pin 2
Base: pin1
Collector: tab
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
BU941
BU941P
Uni t
BUB941PFI
V CES
Collector-Emitter Voltage (VBE = 0)
500
V
V CEO
Collector-Emitter Voltage (IB = 0)
400
V
V EBO
Emitter-Base Voltage (IC = 0)
5
V
Collector Current
15
A
Collector Peak Current
30
A
1
A
IC
I CM
IB
Base Current
I BM
Base Peak Current
P t ot
Total Dissipation at Tc = 25 C
T stg
Storage T emperature
Tj
5
o
Max. O perating Junction Temperature
December 1999
A
180
155
65
-65 to 200
-65 to 175
-65 to 175
o
C
175
o
C
200
175
W
1/8
BU941 / BU941P / BUB941PFI
THERMAL DATA
R t hj-ca se
Thermal Resistance Junction-case
Max
TO-3
TO-218
ISOW AT T218
0.97
0.97
2.3
o
C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symb ol
Parameter
Test Cond ition s
Min.
Typ .
Max.
Un it
Collector Cut-off
Current (V BE = 0)
V CE = 500 V
V CE = 500 V
Tj = 125 C
100
0.5
µA
mA
I CEO
Collector Cut-off
Current (I B = 0)
V CE = 450 V
V CE = 450 V
Tj = 125 o C
100
0.5
µA
mA
I EBO
Emitter Cut-off Current
(I C = 0)
V EB = 5 V
20
mA
I CES
V CEO(sus )∗ Collector-Emitter
Sustaining Voltage
(I B = 0)
o
I C = 100 mA
V Clamp = 400 V
(See FIG .4)
L = 10 mH
400
V
V CE(sat )∗
Collector-Emitter
Saturation Voltage
IC = 8 A
I C = 10 A
I C = 12 A
IB = 100 mA
IB = 250 mA
IB = 300 mA
1.6
1.8
2
V
V
V
V BE(s at)∗
Base-Emitt er
Saturation Voltage
IC = 8 A
I C = 10 A
I C = 12 A
IB = 100 mA
IB = 250 mA
IB = 300 mA
2.2
2.5
2.7
V
V
V
DC Current Gain
IC = 5 A
V CE = 10 V
2.5
V
h F E∗
VF
ts
tf
Diode F orward Voltage I F = 10 A
Functional T est
(see fig. 1)
V CC = 24 V
L = 7 mH
V Clamp = 400 V
INDUCTIVE LO AD
Storage Time
Fall Time
(see fig. 3)
V CC = 12 V
V BE = 0
L = 7 mH
I B = 70 mA
V Cl amp = 300 V
R BE = 47 Ω
IC = 7 A
∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
Safe Operating Area
2/8
300
DC Current Gain
10
A
15
0.5
µs
µs
BU941 / BU941P / BUB941PFI
DC Current Gain
Collector-emitter Saturation Voltage
Collector-emitter Saturation Voltage
Base-emitter Saturation Voltage
Switching Time Inductive Load (see fig.3)
3/8
BU941 / BU941P / BUB941PFI
FIGURE 1: Functional Test Circuit
FIGURE 2: Functional Test Waveforms
FIGURE 3: Switching Time Test Circuit
FIGURE 4: Sustaining Voltage Test Circuit
4/8
BU941 / BU941P / BUB941PFI
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
5/8
BU941 / BU941P / BUB941PFI
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
6/8
1
2
3
P025A
BU941 / BU941P / BUB941PFI
ISOWATT218 MECHANICAL DATA
DIM.
A
C
D
D1
E
F
F2
F3
G
H
L
L1
L2
L3
L4
L5
L6
N
R
DIA
MIN.
5.35
3.30
2.90
1.88
0.75
1.05
1.50
1.90
10.80
15.80
mm
TYP.
MAX.
5.65
3.80
3.10
2.08
0.95
1.25
1.70
2.10
11.20
16.20
MIN.
0.211
0.130
0.114
0.074
0.030
0.041
0.059
0.075
0.425
0.622
21.20
19.90
23.60
42.50
5.25
20.75
2.3
0.819
0.752
0.898
1.594
0.191
0.797
0.083
9
20.80
19.10
22.80
40.50
4.85
20.25
2.1
MAX.
0.222
0.150
0.122
0.082
0.037
0.049
0.067
0.083
0.441
0.638
0.354
4.6
3.5
inch
TYP.
0.835
0.783
0.929
1.673
0.207
0.817
0.091
0.181
3.7
0.138
- Weight : 4.9 g (typ.)
- Maximum Torque (applied to mounting flange) Recommended: 0.8 Nm; Maximum: 1 Nm
- The side of the dissipator must be flat within 80 µm
0.146
P025C/A
7/8
BU941 / BU941P / BUB941PFI
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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.
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