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HIGH VOLTAGE FAST-SWITCHING
■ HIGH VOLTAGECAPABILITY
■ U.L.RECOGNISED ISOWATT218 PACKAGE
(U.L. FILE # E81734(N)).
APPLICATIONS:
■ HORIZONTAL DEFLECTION FOR COLOUR
TV AND MONITORS
■ SWITCHMODEPOWER SUPPLIES
BUH515
NPN POWER TRANSISTOR
3
2
1
DESCRIPTION
ISOWATT218
The BUH515 is manufacturedusing Multiepitaxial
Mesa technology for cost-effective high
performanceand usesa Hollow Emitterstructure
to enhance switching speeds.
The BUH series is designed for use in horizontal
deflectioncircuits in televisionsand monitors.
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
I
P
T
Collect or-Base Vol tage (IE= 0 ) 1500 V
CBO
Collect or-Emitter V oltage (IB= 0 ) 700 V
CEO
Emitter-Base Volt age (IC=0) 10 V
EBO
Collect or Current 8 A
I
C
Collect or Peak Cu rrent (tp<5ms) 12 A
CM
Base Current 5 A
I
B
Base P eak Current (tp<5ms) 8 A
BM
Tot al Dissipa t io n at Tc=25oC50W
tot
Storage Temperature -65 to 150
stg
Max. Ope rating Jun ct ion Tem pe r ature 150
T
j
o
C
o
C
November 1999
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BUH515
THERMAL DATA
R
thj-case
Ther mal Resist ance Junctio n-c a se Max 2.5
o
C/W
ELECTRICAL CHARACTERISTICS (T
=25oC unlessotherwise specified)
case
Symbol Parameter Test Cond ition s Min. Typ. Max. Un it
I
CES
I
EBO
V
CEO(sus)
Collec t or Cut -off
Current (V
BE
=0)
Emitt er Cut-off Current
=0)
(I
C
∗ Co llector-Emit t er
V
= 1500 V
CE
= 1500 V Tj=125oC
V
CE
V
=5V 100 µA
EB
I
= 10 0 m A 700 V
C
0.2
2
Sust aining Voltage
=0)
(I
B
V
EBO
Emitter-Base Voltage
(I
∗ Collec t or -Emit t er
V
CE(sat)
C
=0)
I
=10mA 10 V
E
IC=5A IB=1.25A 1.5 V
Saturation Voltage
∗ Base-Emi tter
V
BE(sat)
IC=5A IB=1.25A 1.3 V
Saturation Voltage
∗ DC Current Gain IC=5A VCE=5V
h
FE
t
t
t
t
RESI STIVE LOAD
Storage Tim e
s
Fall Time
f
INDUCTIVE LOAD
Storage Tim e
s
Fall Time
f
=5A VCE=5V Tj=100oC
I
C
VCC=400V IC=5A
=1.25A IB2= 2.5 A 2.7
I
B1
IC= 5 A f = 15625 Hz
=1.25A IB2=-1.5A
I
B1
V
ceflyback
=1050sin
6
4
190
2.3
π
6
tV
10
5
350
12
3.9
280
mA
mA
µs
ns
µs
ns
INDUCTIVE LOAD
s
t
f
Storage Tim e
Fall Time
t
∗
Pulsed: Pulse duration = 300 µs, duty cycle1.5 %
IC= 5A f = 31250 Hz
=1.25A IB2=-1.5A
I
B1
π
V
ceflyback
=1200sin
6
10
5
tV
Safe OperatingArea ThermalImpedance
2/7
2.3
200
µs
ns
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BUH515
Derating Curve
CollectorEmitter SaturationVoltage
DC Current Gain
BaseEmitter Saturation Voltage
PowerLosses at 16 KHz
SwitchingTime InductiveLoad at 16KHz
(see figure2)
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