SGS Thomson Microelectronics BUX348 Datasheet
®
FAST-SWITCHING POWER TRANSISTOR
■ STMicroelectronics PRE FERRE D
SALESTYPE
■ NPN TRANSISTOR
■ HIGH VOLT A G E
■ FAST SWITCHING
■ OFF-LINE APPLICATIONS TO 380V
BUX348
APPLICATIONS
■ SWITCH MODE P OW ER SUP P LIE S
■ UNINTERRUPTAB LE POWE R SUP PLY
■ DC AND AC MOTOR CO NTR O L
ABSOL UT E MAXIMU M RATINGS
1
2
TO-3
(version "S")
INTERNAL SCHEMATIC DIAGRAM
Symbol Parameter Value Unit
V
V
V
I
I
P
T
Collector-Emitter Voltage (VBE = -1.5 V) 850 V
CEV
Collector-Emitter Voltage (IB = 0) 450 V
CEO
Emitter-Base Voltage (IC = 0) 7 V
EBO
Collector Current 45 A
I
C
Collector Peak Current 60 A
CM
Base Current 9 A
I
B
Base Peak Current (tp < 5 ms) 15 A
BM
Total Power Dissipation at T
tot
Storage Temperature -65 to 200
stg
Junction Temperature 200
T
j
case
≤ 25 oC
300 W
March 2003
o
C
o
C
1/4
BUX348
THERMAL DATA
R
thj-case
Thermal Resistance Junction-case Max 0.58
o
C/W
ELECTRICAL CHARACTERISTICS (T
= 25 oC unless otherwise specified)
case
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CER
I
CEV
I
EBO
V
CEO(sus)
Collector Cut-off
Current (R
= 10 Ω)
BE
Collector Cut-off
Current
(V
= -1.5V)
BE
Emitter Cut-off
Current (I
= 0)
C
∗ Collector-Emitter
V
= V
CE
VCE = V
V
V
V
I
C
CEV
Tc = 100 oC
CEV
= V
CE
= V
CE
= 5 V 2 mA
EB
CEV
Tc = 100 oC
CEV
= 0.2 A L = 25 mH 450 V
0.4
2
0.4
2
Sustaining Voltage
(I
= 0)
B
V
V
CE(sat)
EBO
Emitter-Base Voltage
(I
= 0)
C
∗ Collector-Emitter
Saturation Voltage
V
∗ Base-Emitter
BE(sat)
Saturation Voltage
di
/dt Rated of Rise on-state
C
Collector Current
V
∗ Collector-Emitter
CE(3µs)
Dynamic Voltage
V
∗ Collector-Emitter
CE(5µs)
Dynamic Voltage
= 100 mA 7 V
I
E
IC = 30 A IB = 6 A
I
= 30 A IB = 6 A Tj = 100 oC
C
IC = 30 A IB = 6 A
I
= 30 A IB = 6 A Tj = 100 oC
C
VCC = 300V IB1 = 9 A RC = 0
3µs Tj = 100 oC
t
p =
VCC = 300V IB1 = 9 A
= 10 Ω Tj = 100 oC
R
C
VCC = 300V IB1 = 9 A
= 10 Ω Tj = 100 oC
R
C
125 250 A/µs
0.7
1.35
1.12
1.1
0.9
2
1.5
1.5
4.4 8 V
2.3 4 V
mA
mA
mA
mA
V
V
V
V
INDUCTIVE LOAD
Symbol Parameter Test Conditions Min. Typ. Max. Unit
t
t
V
CEW
* Pulsed : Pulse duration = 300 ms, duty cycle = 2%
Storage Time
s
Fall Time
t
f
Crossover Time
c
Maximum Collector
Emitter Voltage
without Snubber
VCC = 50 V V
IC = 30 A IB1 = 6 A
V
BB
R
BB
VCC = 50 V I
VBB = -5 V IB1 = 6 A
L
C
T
= 125 oC
j
2/4
= 450 V
Clamp
= -5 V LC = 80 µH
= 0.4 Ω Tj = 100 oC
= 45 A
CWoff
= 55 µH RBB = 0.4 Ω
450 V
2.75
0.12
0.44
4.5
0.4
0.7
µs
µs
µs
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