BU931T Datasheet, PDF (2/7 Pages) STMicroelectronics – HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTONS

BU931T / BUB931T
THERMAL DATA
R_{thj-ca se} Thermal Resistance Junction-case
Max
1.2
o_C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 ^oC unless otherwise specified)
S ymb ol
P a ra m et er
Test Conditions
I_CES Collector Cut-off
Current (VBE = 0)
V_CE = 500 V
VCE = 500 V Tj = 125 ^oC
ICEO
Collector Cut-off
Current (IB = 0)
VCE = 450 V
VCE = 450 V Tj = 125 ^oC
I_EBO Emitter Cut-off Current
(IC = 0)
V_CEO(SUS) ∗ Collector-Emit ter
Saturation Voltage
V_EB = 5 V
I_C = 100 mA L = 10 mH I_B = 0
V_{c la mp} = RATED V_CEO (See fig. 4)
V_CE(sat)∗ Collector-Emitter
Saturation Voltage
I_C = 7 A
IC = 8 A
I_B = 70 mA
IB = 100 mA
VBE(s at)∗
h_{F E}∗
Base-Emitt er
Saturation Voltage
DC Current Gain
IC = 7 A
I_C = 8 A
I_C = 5 A
IB = 70 mA
I_B = 100 mA
V_CE = 10 V
V_F
Diode Forward Voltage I_F = 10 A
Functional Test
(see fig. 1)
VCC = 24 V Vc la mp = 400 V L= 7 mH
INDUCTIVE LO AD
VCC = 12 V Vc la mp = 300 V L= 7 mH
t_s
Storage Time
tf
Fall Time
(see fig. 3)
I_C = 7 A I_B = 70 mA
VBE = 0 RBE = 47 Ω
∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
Min.
400
300
8
Typ .
15
0.5
Max.
100
0.5
100
0.5
20
1.6
1.8
2.2
2.4
2.5
Unit
µA
mA
µA
mA
mA
V
V
V
V
V
V
A
µs
µs
Safe Operating Area
DC Current Gain
2/7