TIP140 Просмотр технического описания (PDF) - Motorola => Freescale
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TIP140
Motorola => Freescale
TIP140 Datasheet PDF : 6 Pages
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TIP140 TIP141 TIP142 TIP145 TIP146 TIP147
ACTIVE–REGION SAFE OPERATING AREA
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.
20
10
7.0
5.0
3.0
dc
2.0 TJ = 150°C
SECONDARY BREAKDOWN LIMIT
1.0
BONDING WIRE LIMIT
THERMAL LIMITATION @ TC = 25°C
0.2
10
15 20
TIP140, 145
TIP141, 146
TIP142, 147
30
50
70
100
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 6. Active–Region Safe Operating Area
The data of Figure 6 is based on TJ(pk) = 150_C; TC is
variable depending on conditions. At high case temper-
atures, thermal limitations will reduce the power that can be
handled to values less than the limitations imposed by
second breakdown.
15
10
7.0
5.0
100 mJ
2.0
1.0
0.5 1.0 2.0 5.0 10 20 50 100
L, UNCLAMPED INDUCTIVE LOAD (mH)
Figure 7. Unclamped Inductive Load
INPUT
MPS–U52
50
50
RBB1
1.5 k
RBB2
= 100
VBB2 = 0
VBB1 = 10 V
VCE MONITOR
100 mH
TUT
VCC = 20 V
IC
MONITOR
RS = 0.1
INPUT
VOLTAGE
COLLECTOR
CURRENT
1.42 A
VCE(sat)
– 20 V
COLLECTOR
VOLTAGE
w ≈ 7.0 ms (SEE NOTE 1)
5.0 V
0
100 ms
0
TEST CIRCUIT
NOTE 1: Input pulse width is increased until ICM = 1.42 A.
NOTE 2: For NPN test circuit reverse polarities.
V(BR)CER
VOLTAGE AND CURRENT WAVEFORMS
Figure 8. Inductive Load
100
70
50
PNP
20
10
NPN
7.0
5.0
5.0
VCE = 10 V
IC = 1.0 A
TJ = 25°C
4.0
PNP
NPN
3.0
2.0
2.0
1.0
1.0
2.0
3.0
5.0
7.0
10
f, FREQUENCY (MHz)
Figure 9. Magnitude of Common Emitter
Small–Signal Short–Circuit Forward
Current Transfer Ratio
4
1.0
0
0
40
80
120
160
200
TA, FREE–AIR TEMPERATURE (°C)
Figure 10. Free–Air Temperature
Power Derating
Motorola Bipolar Power Transistor Device Data
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