BUS98 View Datasheet(PDF) - Motorola => Freescale
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BUS98 Datasheet PDF : 8 Pages
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BUS98 BUS98A
VCEO(sus)
Table 1. Test Conditions for Dynamic Performance
RBSOA AND INDUCTIVE SWITCHING
+10 V
20
0
1
+10 V
2
PW Varied to Attain
IC = 100 mA
–10 V
MJE200
BUV20
MJE210
0.1 µF 50 µF
– VC1
ADJUST VC1
TO OBTAIN
DESIRED IB1
BUV20
1 µF
ADJUST VC2
TO OBTAIN
DESIRED IB2
50 µF
RESISTIVE SWITCHING
TURN–ON TIME
1
2
IB1
IB1 adjusted to
obtain the forced
hFE desired
TURN–OFF TIME
Use inductive switching
driver as the input to
the resistive test circuit.
Lcoil = 25 mH, VCC = 10 V
Rcoil = 0.7 Ω
Lcoil = 180 µH
Rcoil = 0.05 Ω
VCC = 20 V
Vclamp = 250 V
INDUCTIVE TEST CIRCUIT
TUT
1
INPUT
SEE ABOVE FOR
DETAILED CONDITIONS
2
1N4937
OR
EQUIVALENT
Vclamp
Rcoil
Lcoil
VCC
OUTPUT WAVEFORMS
IC
IC(pk)
tf Clamped
t
t1
tf
VCE VCE or
Vclamp
t
TIME
t2
t1 Adjusted to
Obtain IC
[ Lcoil (IC(pk))
t1
VCC
[ Lcoil (IC(pk))
t2
Vclamp
Test Equipment
Scope — Tektronix
475 or Equivalent
VCC = 250 V
Pulse Width = 10 µs
RESISTIVE TEST CIRCUIT
TUT
1
2
RL
VCC
IC
VCE
IB
IC pk
VCE(pk)
90% VCE(pk) 90% IC(pk)
tsv
trv
tfi
tti
tc
90% IB1
10% VCE(pk) 10%
IC pk 2% IC
TIME
Figure 7. Inductive Switching Measurements
20
βf = 5
16
IC = 20 A
12
8
4
0
0
1
2
3
4
5
6
VBE(off), BASE–EMITTER VOLTAGE (VOLTS)
Figure 8. Peak–Reverse Current
4
Motorola Bipolar Power Transistor Device Data
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