MJW16206-D 查看數據表（PDF） - Motorola => Freescale
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MJW16206-D Datasheet PDF : 10 Pages
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MJW16206
SAFE OPERATING AREA INFORMATION
30
20
10
MJW16206
10 µs
5
3
dc
5 ms
2
100
1
ns
0.5
0.3
WIREBOND LIMIT
II*
0.2
THERMAL LIMIT
0.1
SECONDARY BREAKDOWN
LIMIT
0.05
0.03
0.02
1
2 3 5 10 20 30 50 100 200 300 500 1K
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
*REGION II — EXPANDED FBSOA USING
MUR8100E, ULTRAFAST RECTIFIER (SEE FIGURE 12)
Figure 7. Maximum Forward Biased
Safe Operating Area
20
16
IC/IB1 ≥ 5
TJ ≤ 100°C
12
8
VBE(off) = 5 V
4
0V
2V
0
0
200
400
600
800
1K
1.2K
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 8. Maximum Reverse Bias
Safe Operating Area
FORWARD BIAS
There are two limitations on the power handling ability of a
transistor: average junction temperature and second break-
down. Safe operating area curves indicate IC – VCE limits of
the transistor that must be observed for reliable operation;
i.e., the transistor must not be subjected to greater dissipa-
tion than the curves indicate.
The data of Figure 7 is based on TC = 25_C; TJ(pk) is
variable depending on power level. Second breakdown pulse
limits are valid for duty cycles to 10% but must be derated
when TC ≥ 25_C. Second breakdown limitations do not der-
ate the same as thermal limitations. Allowable current at the
voltages shown on Figure 7 may be found at any case tem-
perature by using the appropriate curve on Figure 9.
At high case temperatures, thermal limitations will reduce
the power that can be handled to values less than the limita-
tions imposed by second breakdown.
REVERSE BIAS
Inductive loads, in most cases, require the emitter–to–
base junction be reversed biased because high voltage and
high current must be sustained simultaneously during turn–
off. Under these conditions, the collector voltage must be
held to a safe level at or below a specific value of collector
current. This can be accomplished by several means such as
100
90
80
70
60
50
40
30
20
10
0
25
SECOND BREAKDOWN
DERATING
THERMAL
DERATING
50
75
100
125
150
TC, CASE TEMPERATURE (°C)
Figure 9. Power Derating
active clamping, RC snubbing, load line shaping, etc. The
safe level for these devices is specified as Reverse Biased
Safe Operating Area and represents the voltage–current
condition allowable during reverse biased turn–off. This rat-
ing is verified under clamped conditions so that the device is
never subjected to an avalanche mode. Figure 8 gives the
RBSOA characteristics.
4
Motorola Bipolar Power Transistor Device Data
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