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UC2842BD1G 数据表(PDF) 7 Page - ON Semiconductor

部件名 UC2842BD1G
功能描述  High Performance Current Mode Controllers
Download  21 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

UC2842BD1G 数据表(HTML) 7 Page - ON Semiconductor

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UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
http://onsemi.com
7
Figure 8. Error Amp Open Loop Gain and
Phase versus Frequency
Figure 9. Current Sense Input Threshold
versus Error Amp Output Voltage
Figure 10. Reference Voltage Change
versus Source Current
Figure 11. Reference Short Circuit Current
versus Temperature
−20
10 M
10
f, FREQUENCY (Hz)
Gain
Phase
VCC = 15 V
VO = 2.0 V to 4.0 V
RL = 100 K
TA = 25°C
0
30
60
90
120
150
180
100
1.0 k
10 k
100 k
1.0 M
0
20
40
60
80
100
0
VO, ERROR AMP OUTPUT VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1.0
1.2
2.0
4.0
6.0
8.0
VCC = 15 V
TA = 25°C
TA = −55°C
TA = 125°C
VCC = 15 V
TA = −55°C
TA = 25°C
−16
0
Iref, REFERENCE SOURCE CURRENT (mA)
20
40
60
80
100
120
−12
−8.0
−4.0
0
−20
−24
TA = 125°C
VCC = 15 V
RL ≤ 0.1 W
50
−55
TA, AMBIENT TEMPERATURE (°C)
−25
0
25
50
75
100
125
70
90
110
Figure 12. Reference Load Regulation
Figure 13. Reference Line Regulation
2.0 ms/DIV
2.0 ms/DIV
VCC = 15 V
IO = 1.0 mA to 20 mA
TA = 25°C
VCC = 12 V to 25
TA = 25°C


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