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NCP3231A Datasheet(PDF) 7 Page - ON Semiconductor

Part # NCP3231A
Description  High Current Synchronous Buck Converter
Download  14 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP3231A Datasheet(HTML) 7 Page - ON Semiconductor

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NCP3231A
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7
TYPICAL CHARACTERISTICS
Figure 3. Reference Voltage vs. Temperature
Figure 4. Switching Frequency vs.
Temperature
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
95
80
65
35
5
−10
−25
−40
0.596
0.597
0.598
0.599
0.600
0.601
0.602
498
499
500
501
502
503
504
Figure 5. Rising Enable Threshold vs.
Temperature
Figure 6. Falling Enable Threshold vs.
Temperature
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
1.19
1.20
1.21
1.22
1.23
1.06
1.07
1.08
1.09
1.10
Figure 7. Shutdown Current vs. Temperature
Figure 8. Quiescent Current vs. Temperature
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
110
80
50
20
5
−10
−25
−40
0
10
30
40
50
70
80
100
0
1
2
3
4
5
6
7
20
50
110 125
95
80
65
35
5
−10
−25
−40
20
50
110 125
VCC = 12 V
VCC = 4.5 V
95
80
65
35
5
−10
−25
−40
20
50
110 125
95
80
65
35
5
−10
−25
−40
20
50
110 125
35
65
95
125
20
60
90
VCC = 12 V
110
80
50
20
5
−10
−25
−40
35
65
95
125
VCC = 12 V, No Switching


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