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參數資料
| 型號： | NCP1417DMR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | 200 mA DC-DC Step-up Converter with Dual Low Battery Protection |
| 中文描述： | 1 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | MICRO-8 |
| 文件頁數： | 7/16頁 |
| 文件大小： | 128K |
| 代理商： | NCP1417DMR2 |
NCP1417
http://onsemi.com
7
R
R
/
p
0
20
40
60
80
100
BATTERY INPUT VOLTAGE, V
BATT
/V
Figure 18. Battery Input Voltage versus
Output Ripple Voltage
1
1.5
2.5
3
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
L = 15 H
100 mA
2
150 mA
O
–3
–2
–1
0
1
3
OUTPUT LOADING CURRENT, I
LOAD
/mA
Figure 16. Output Voltage Change versus
Load Current
1
10
100
1000
L = 15 H
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
2
3 V
1.8 V
2.2 V
N
B
/
μ
A
0
4
8
12
16
20
INPUT VOLTAGE AT OUT PIN, V
OUT
/V
0
1
2
6
R
R
/
p
0
20
40
60
80
100
BATTERY INPUT VOLTAGE, V
BATT
/V
Figure 17. Battery Input Voltage versus
Output Ripple Voltage
1
1.5
2.5
3
O
–3
–2
–1
0
1
3
OUTPUT LOADING CURRENT, I
LOAD
/mA
Figure 15. Output Voltage Change
versus Load Current
1
10
100
1000
Figure 19. No Load Operating Current
versus Input Voltage at OUT Pin
Figure 20. Startup Transient Response
L = 22 H
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
L = 22 H
100 mA
2
3 V
1.8 V
2.2 V
2
150 mA
3
4
5
(V
IN
= 2.2 V, V
OUT
= 3.3 V, I
LOAD
= 100 mA; L = 22
μ
H,
C
OUT
= 33
μ
F)
Upper Trace: Output Voltage Waveform, 1.0 V/Division
Lower Trace: Shutdown Pin Waveform, 1.0 V/Division
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