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NCP1422 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. NCP1422
Description  800 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer
Download  14 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1422 Datasheet(HTML) 5 Page - ON Semiconductor

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NCP1422
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
1.180
1.185
1.190
1.195
1.200
1.205
0.0
0.1
0.2
0.3
0.4
0.5
0.6
−40
−20
0
20
40
60
80
100
AMBIENT TEMPERATURE, TA/°C
P−FET (M2)
N−FET (M1)
VOUT = 3.3 V
−40
−20
0
20
40
60
80
100
AMBIENT TEMPERATURE, TA/°C
0.5
0.6
0.7
0.8
0.9
1.0
−40
−20
0
20
40
60
80
100
0.6
0.9
1.1
1.4
1.6
0
50
100
150
200
250
TA = 25°C
OUTPUT LOADING CURRENT, ILOAD/mA
Figure 2. Reference Voltage vs. Output Current
Figure 3. Reference Voltage vs. Voltage at OUT Pin
Figure 4. Reference Voltage vs. Temperature
Figure 5. Switch ON Resistance vs. Temperature
Figure 6. LX Switch Max. ON Time vs. Temperature
Figure 7. Minimum Startup Battery Voltage vs.
Loading Current
1.180
1.190
1.200
1.210
1.220
1
10
100
1000
VOUT = 3.3 V
L = 10
mH
CIN = 22 mF
COUT = 22 mF
CREF = 1.0 mF
TA = 25_C
AMBIENT TEMPERATURE, TA/°C
OUTPUT CURRENT, ILOAD/mA
VIN = 1.5 V
VIN = 2.0 V
VIN = 2.5 V
1.180
1.190
1.210
1.220
CREF = 200 nF
IREF = 0 mA
TA = 25°C
VOLTAGE AT OUT PIN, VOUT/V
VOUT = 3.3 V
CREF = 200 nF
IREF = 0 mA
1.5
2
2.5
3
3.5
4
4.5
5
1.200


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