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參數(shù)資料
| 型號： | NCP1417 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 200 mA DC-DC Step-up Converter with Dual Low Battery Protection |
| 中文描述： | 200毫安的DC - DC升壓轉(zhuǎn)換器，具有雙低電池保護(hù) |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 128K |
| 代理商： | NCP1417 |
NCP1417
http://onsemi.com
5
I
REF
= 0 mA
R
R
/
1.190
1.195
1.200
1.205
1.210
1.215
1.220
OUTPUT CURRENT, I
LOAD
/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
R
R
/
INPUT VOLTAGE at OUT PIN, V
OUT
/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
R
R
/
AMBIENT TEMPERATURE, T
A
/ C
Figure 5. Reference Voltage versus
Temperature
0
–40
0.5
1
2
–20
0
20
40
60
80
100
S
D
/
AMBIENT TEMPERATURE, T
A
/ 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
L
x
O
/
μ
S
AMBIENT TEMPERATURE, T
A
/ C
Figure 7. L
x
Switch Max. ON Time
versus Temperature
1.3
0.6
0.9
1.2
2.1
0
20
40
60
80
120
M
B
/
OUTPUT LOADING CURRENT, I
LOAD
/mA
Figure 8. Min. Startup Battery Voltage
versus Loading Current
1.8
I
REF
= 2.5 mA
C
REF
= 1
μ
F
T
A
= 25 C
V
OUT
= 3.3 V
C
REF
= 150 nF
I
REF
= 0 mA
V
OUT
= 3.3 V
P–FET (M2)
N–FET (M1)
1.5
100
Without Schottky Diode
With Schottky Diode
(MBR0502)
V
OUT
= 3.3 V
L = 22
μ
H
C
in
= 10
μ
F
C
out
= 33
μ
F
C
REF
= 1
μ
F
T
A
= 25 C
V
IN
= 1.8 V
V
IN
= 2.2 V
V
IN
= 3 V
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