BU931T
HIGH VOLTAGE IGNITION COIL DRIVER
■ VERYRUGGED BIPOLARTECHNOLOGY
■ HIGH OPERATINGJUNCTION
TEMPERATURE
■ WIDERANGE OF PACKAGES
■ SURFACE-MOUNTING D2PAK (TO-263)
POWERPACKAGEIN TUBE (NO SUFFIX)
OR IN TAPE& REEL(SUFFIX ”T4”)
APPLICATIONS
■ HIGH RUGGEDNESSELECTRONIC
IGNITIONS
BUB931T
NPN POWER DARLINGTONS
3
2
1
TO-220 D2PAK
TO-263
3
1
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symb o l Para meter Val u e Uni t
V
V
V
I
I
P
T
Collector-Emitter Voltage (VBE= 0 ) 500 V
CES
Collector-Emitter Voltage (IB= 0 ) 400 V
CEO
Emitter-Base Voltage (IC=0) 5 V
EBO
I
Collector Current 10 A
C
Collector P e ak C ur rent 15 A
CM
I
Base Current 1 A
B
Base Peak Current 5 A
BM
Tot al D iss ip at i on at Tc=25oC 125 W
tot
Sto rage Tempe r ature -65 t o 175
stg
T
Max. O peratin g J u nc t io n Temper ature 175
j
o
C
o
C
January 1999
1/7
BU931T/ BUB931T
THERMAL DATA
R
thj-case
Ther mal Resist ance Junctio n-c a se Max 1.2
o
C/W
ELECTRICAL CHARACTERISTICS (T
=25oC unlessotherwise specified)
case
Symbol Parameter Test Condition s Min. Typ. Max. Unit
I
CES
I
CEO
I
EBO
V
CEO(SUS)
Collec t or Cut-of f
Current (V
BE
=0)
Collec t or Cut-of f
Current (I
B
=0)
Emitt er Cut-off Current
=0)
(I
C
∗ Collector-Emit t er
Saturation Voltage
V
∗ Collect or- Emit t er
CE(sat)
Saturation Voltage
V
∗ Ba se-Emi tt er
BE(sat)
Saturation Voltage
h
∗ DC Curr ent Gain IC=5A VCE= 1 0 V 300
FE
V
Diode F orw a rd V olt age IF=10A 2.5 V
F
Func tional Test
V
=500V
CE
=500V Tj=125oC
V
CE
V
=450V
CE
=450V Tj=125oC
V
CE
V
=5V 20 mA
EB
IC=100mA L=10mH IB=0
V
clamp
= RAT ED V
(See fig.4)
CEO
400 V
IC=7A IB=70mA
=8A IB=100mA
I
C
IC=7A IB=70mA
=8A IB=100mA
I
C
V
=24V V
CC
=400V L=7mH 8 A
clamp
100
0.5
100
0.5
1.6
1.8
2.2
2.4
(see fig. 1)
INDUCTIVE LOAD
t
s
t
f
Storage Ti me
Fall Time
VCC=12V V
=7A IB=70mA
I
C
=0 RBE=47Ω
V
BE
clamp
=300V L=7mH
15
0.5
(see fig. 3)
∗
Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
µA
mA
µA
mA
V
V
V
V
µs
µs
Safe OperatingArea DC Current Gain
2/7
BU931T / BUB931T
CollectorEmitterSaturation Voltage
CollectorEmitterSaturation Voltage
Collector EmitterSaturation Voltage
BaseEmitter SaturationVoltage
Base Emitter SaturationVoltage
SwitchingTime InductiveLoad
3/7
BU931T/ BUB931T
FIGURE1: Functional Test Circuit FIGURE 2: FunctionalTest Waveforms
FIGURE3: SwitchingTime Test Circuit FIGURE4: SustainingVoltage Test Circuit
4/7
TO-220 MECHANICAL DATA
BU931T / BUB931T
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.40 4.60 0.173 0.181
C 1.23 1.32 0.048 0.051
D 2.40 2.72 0.094 0.107
D1 1.27 0.050
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 0.203
G1 2.4 2.7 0.094 0.106
H2 10.0 10.40 0.393 0.409
L2 16.4 0.645
L4 13.0 14.0 0.511 0.551
L5 2.65 2.95 0.104 0.116
L6 15.25 15.75 0.600 0.620
L7 6.2 6.6 0.244 0.260
L9 3.5 3.93 0.137 0.154
DIA. 3.75 3.85 0.147 0.151
mm inch
P011C
5/7
BU931T/ BUB931T
TO-263 (D2PAK) MECHANICAL DATA
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.4 4.6 0.173 0.181
A1 2.49 2.69 0.098 0.106
B 0.7 0.93 0.027 0.036
B2 1.14 1.7 0.044 0.067
C 0.45 0.6 0.017 0.023
C2 1.21 1.36 0.047 0.053
D 8.95 9.35 0.352 0.368
E 10 10.4 0.393 0.409
G 4.88 5.28 0.192 0.208
L 15 15.85 0.590 0.624
L2 1.27 1.4 0.050 0.055
L3 1.4 1.75 0.055 0.068
mm inch
D
A
C2
DETAIL”A”
C
A2
DETAIL”A”
A1
B2
E
L2
L
L3
B
G
P011P6/E
6/7
BU931T / BUB931T
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