NCL30002 查看數據表（PDF） - ON Semiconductor
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NCL30002 Datasheet PDF : 17 Pages
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NCL30002
TYPICAL CHARACTERISTICS
20
220
VMFP = VREF + 0.11 V
18
215
16
14
12
10
8
6
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Error Amplifier Sink Current vs.
Junction Temperature
210
205
200
195
190
VMFP = 0.5 V
185
180
−50 −25
0
25
50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Error Amplifier Source Current vs.
Junction Temperature
125
200
200
120
180
180
Phase
160
160
115
140
140
110
120 Transconductance
120
105
100
100
100
95
80
60
RControl = 100 kW
CControl = 2 pF
40 VMFP = 2.5 Vdc, 1 Vac
90
20
VCC = 12 V
TA = 25°C
85
0
−50 −25
0
25
50
75 100 125
0.01
0.1
1
80
60
40
20
0
10
100 1000
TJ, JUNCTION TEMPERATURE (°C)
f, FREQUENCY (kHz)
Figure 10. Error Amplifier Transconductance
vs. Junction Temperature
Figure 11. Error Amplifier Transconductance
and Phase vs. Frequency
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Minimum Control Voltage to Generate
Drive Pulses vs. Junction Temperature
290
285
280
275
270
265
260
255
250
245
240
−50 −25
0
25
50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. On Time Capacitor Charge Current
vs. Junction Temperature
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