MJH6284 데이터 시트보기 (PDF) - ON Semiconductor
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MJH6284 Datasheet PDF : 5 Pages
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MJH6284 (NPN), MJH6284 (PNP)
1.0
0.7 D = 0.5
0.5
0.3 0.2
0.2
0.1
0.1 0.05
0.07 0.02
0.05
0.03
0.01
0.02 SINGLE PULSE
0.01
0.01 0.02 0.03 0.05 0.1
RqJC(t) = r(t) RqJC
RqJC = 0.78°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) − TC = P(pk) RqJC(t)
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
0.2 0.3 0.5 1.0
2.0 3.0 5.0 10
t, TIME (ms)
20 30 50
Figure 4. Thermal Response
100 200 300 500 1000
FBSOA, FORWARD BIAS SAFE OPERATING AREA
50
0.1 ms
20
10
0.5 ms
5.0
1.0 ms
5.0 ms
dc
2.0
1.0
TJ = 150°C
0.5
SECOND BREAKDOWN LIMITED
0.2
BONDING WIRE LIMITED
0.1
0.05
2.0
THERMAL LIMITATION
@TC = 25°C (SINGLE PULSE)
5.0
10
20
50
100
VCE, COLLECTOR−EMITTER VOLTAGE (VOLTS)
Figure 5. MJH6284, MJH6287
50
40
30
DUTY CYCLE = 10%
20
L = 200 mH
IC/IB ≥ 100
10
TC = 25°C
VBE(off) = 0−5.0 V
RBE = 47 W
0
0 10 20 30 40 60 80 100 110
VCE, COLLECTOR−EMITTER VOLTAGE (VOLTS)
Figure 6. Maximum RBSOA, Reverse Bias
Safe Operating Area
FORWARD BIAS
There are two limitations on the power handling ability of
a transistor: average junction temperature and second
breakdown. 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
dissipation than the curves indicate.
The data of Figure 5 is based on TJ(pk) = 150_C; TC is
variable depending on conditions. Second breakdown pulse
limits are valid for duty cycles to 10% provided TJ(pk)
v 150_C. TJ(pk) may be calculated from the data in
Figure 4. At high case temperatures, thermal limitations will
reduce the power that can be handled to values less than the
limitations imposed by second breakdown.
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