NCP1231 Просмотр технического описания (PDF) - ON Semiconductor
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NCP1231 Datasheet PDF : 21 Pages
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NCP1231
TYPICAL PERFORMANCE CHARACTERISTICS
70
68 VCC = 13 V
Ctimer = 82 nF
66
64
62
60
58
56
54
52
50
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 21. Timer Charge/Discharge Current vs.
Temperature
2.00
1.75
VCC = 13 V
1.50
PDIP
1.25
SOIC
1.00
0.75
0.50
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 22. Soft−Start Charging Current vs.
Temperature
4.5
VCC = 13 V
4.0
3.5
240
SS Timer Peak Voltage
235
3.0
2.5
SS Timer Valley Voltage
2.0
Cpin7 = 82 nF
1.5
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 23. SS Timer Peak and Valley Voltages
vs. Temperature
230
225
220
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 24. Opto−Coupler Current
vs. Temperature
24
VCC = 13 V
22
20
18
16
14
12
10
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 25. Internal Ramp Compensation Resistor
vs. Temperature
190
180
170
160
150
SOIC
140
130
120
110
100
PDIP
90
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 26. Time Delay vs. Temperature
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