BU931 Datasheet, PDF (2/7 Pages) STMicroelectronics – HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON

BU931 / BU931P
THERMAL DATA
Rthj-ca se Thermal Resistance Junction-case Max
TO-3
1
T O-218
1.1
o_C/W
ELECTRICAL CHARACTERISTICS (T_case = 25 ^oC unless otherwise specified)
Symb ol
P a ram et er
Test Conditions
ICES Collect or Cut-off
Current (V_BE = 0)
VCE = 500 V
V_CE = 500 V
T_j = 125 ^oC
ICEO
Collector Cut-off
Current (I_B = 0)
I_EBO Emitt er Cut-off Current
(I_C = 0)
VCEO(sus )∗ Collect or-Emitter
Sustaining Voltage
(IB = 0)
VCE(sat)∗ Collect or-Emitter
Saturation Voltage
VCE = 450 V
V_CE = 450 V
V_EB = 5 V
T_j = 125 ^oC
IC = 100 mA L = 10 mH
V_Clamp = 400 V
(See Fig.4)
IC = 7 A
I_C = 8 A
IC = 10 A
IB = 70 mA
I_B = 100 mA
IB = 250 mA
VBE(s at)∗
h_FE∗
VF
Ba se-Em it t er
Saturation Voltage
IC = 7 A
I_C = 8 A
IC = 10 A
DC Current G ain
I_C = 5 A
Diode Forward Voltage IF = 10 A
IB = 70 mA
I_B = 100 mA
IB = 250 mA
V_CE = 10 V
Functional Test
(see fig. 1)
VCC = 24 V
L = 7 mH
Vcl amp = 400 V
INDUCTIVE LOAD
VCC = 12 V
ts
Storage Time
L = 7 mH
t_f
Fall Time
I_C = 7 A
(see fig. 3)
VBE = 0
∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
Vcl amp = 300 V
I_B = 70 mA
RBE = 47 Ω
Min. Typ.
400
300
8
15
0.5
M a x.
100
0.5
100
0.5
20
1.6
1.8
1.8
2.2
2.4
2.5
2.5
Unit
µA
mA
µA
mA
mA
V
V
V
V
V
V
V
V
A
µs
µs
Safe Operating Area
DC Current Gain
2/7