TIP120 Просмотр технического описания (PDF) - ON Semiconductor
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TIP120 Datasheet PDF : 7 Pages
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TIP120, TIP121, TIP122 (NPN); TIP125, TIP126, TIP127 (PNP)
RB & RC VARIED TO OBTAIN DESIRED CURRENT LEVELS
D1 MUST BE FAST RECOVERY TYPE, eg:
VCC
−30 V
1N5825 USED ABOVE IB ≈ 100 mA
MSD6100 USED BELOW IB ≈ 100 mA
RC
TUT
SCOPE
V2
approx
RB
+8.0 V
0
51
D1
≈ 8.0 k ≈ 120
V1
approx
−12 V
25 ms
tr, tf ≤ 10 ns
DUTY CYCLE = 1.0%
+4.0 V
for td and tr, D1 is disconnected
and V2 = 0
For NPN test circuit reverse all polarities.
Figure 2. Switching Times Test Circuit
5.0
3.0
ts
PNP
NPN
2.0
1.0
tf
0.7
0.5
0.3
0.2 VCC = 30 V
IC/IB = 250
0.1 IB1 = IB2
0.07 TJ = 25°C
0.05
0.1
0.2 0.3
tr
td @ VBE(off) = 0
0.5 0.7 1.0
2.0 3.0
IC, COLLECTOR CURRENT (AMP)
Figure 3. Switching Times
5.0 7.0 10
1.0
0.7 D = 0.5
0.5
0.3 0.2
0.2
0.1
0.1
0.07 0.05
0.05
0.02
0.03
0.02 0.01
SINGLE PULSE
0.01
0.01 0.02
0.05 0.1 0.2
ZqJC(t) = r(t) RqJC
P(pk)
RqJC = 1.92°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) − TC = P(pk) ZqJC(t)
t1
t2
DUTY CYCLE, D = t1/t2
0.5 1.0 2.0
5.0 10 20
t, TIME (ms)
Figure 4. Thermal Response
50 100 200
500 1.0 k
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