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NCP1417 Fiches technique(PDF) 5 Page - ON Semiconductor

No de pièce NCP1417
Description  200 mA DC-DC Step-up Converter with Dual Low Battery Protection
Download  16 Pages
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1417 Fiches technique(HTML) 5 Page - ON Semiconductor

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NCP1417
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5
IREF = 0 mA
1.190
1.195
1.200
1.205
1.210
1.215
1.220
OUTPUT CURRENT, ILOAD/mA
Figure 3. Reference Voltage versus
Output Current
1
10
100
1000
1
2
3
4
5
5.5
4.5
1.5
2.5
3.5
1.180
1.183
1.186
1.189
1.192
1.195
INPUT VOLTAGE at OUT PIN, VOUT/V
Figure 4. Reference Voltage versus
Input Voltage at OUT Pin
1.184
1.186
1.188
1.19
1.192
1.194
–40
–20
0
20
40
60
80
100
AMBIENT TEMPERATURE, TA/_C
Figure 5. Reference Voltage versus
Temperature
0
0.5
1
2
–40
–20
0
20
40
60
80
100
AMBIENT TEMPERATURE, TA/_C
Figure 6. Switch ON Resistance
versus Temperature
1.5
1.2
1.4
1.5
1.6
1.7
1.8
–40
–20
0
20
40
60
80
100
AMBIENT TEMPERATURE, TA/_C
Figure 7. Lx Switch Max. ON Time
versus Temperature
1.3
0.6
0.9
1.2
2.1
0
2040
6080
120
OUTPUT LOADING CURRENT, ILOAD/mA
Figure 8. Min. Startup Battery Voltage
versus Loading Current
1.8
IREF = 2.5 mA
CREF = 1 µF
TA = 25_C
VOUT = 3.3 V
CREF = 150 nF
IREF = 0 mA
VOUT = 3.3 V
P–FET (M2)
N–FET (M1)
1.5
100
Without Schottky Diode
With Schottky Diode
(MBR0502)
VOUT = 3.3 V
L = 22
µH
Cin = 10 µF
Cout = 33 µF
CREF = 1 µF
TA = 25_C
VIN = 1.8 V
VIN = 2.2 V
VIN = 3 V


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