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NCP1423 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. NCP1423
Description  400 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer
Download  13 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1423 Datasheet(HTML) 5 Page - ON Semiconductor

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NCP1423
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
1.180
1.185
1.190
1.195
1.200
1.210
0.0
0.2
0.4
0.6
0.8
1.0
−40
−20
0
20
40
60
80
100
TA, AMBIENT TEMPERATURE, (°C)
P−FET (M2)
N−FET (M1)
VOUT = 3.3 V
−50
−25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
0.44
0.46
0.48
0.50
0.52
0.54
−50
−25
0
25
50
75
100
0
3
6
9
12
−50
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Reference Voltage vs. Output Current
Figure 4. Reference Voltage vs. Voltage at OUT Pin
Figure 5. Reference Voltage vs. Temperature
Figure 6. Switch ON Resistance vs. Temperature
Figure 7. Low Battery Detect Voltage vs.
Temperature
Figure 8. Operation Current vs. Temperature
1.15
1.17
1.19
1.21
1.23
1
10
100
1000
CREF = 0.1 mF
VIN = 1.2 V
VOUT = 3.3 V
TA = 25°C
TA, AMBIENT TEMPERATURE (°C)
ILOAD, OUTPUT CURRENT (mA)
1.13
1.15
1.23
1.25
CREF = 0.1 mF
IREF = 0 mA
TA = 25°C
VOUT, VOLTAGE AT OUT PIN, (V)
VOUT = 3.3 V
CREF = 0.1 mF
IREF = 0 mA
1.5
2
2.5
3
3.5
4
4.5
5
1.17
1.25
1.27
1.19
1.21
1.205
0.56
TA = 25°C
VOUT = 3.3 V
−25
15
18


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