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參數資料
| 型號： | NCP1410 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector |
| 中文描述： | 250毫安同步整流PFM升壓型DC - DC轉換器與低電池檢測器 |
| 文件頁數： | 7/16頁 |
| 文件大小： | 126K |
| 代理商： | NCP1410 |
NCP1410
http://onsemi.com
7
TYPICAL OPERATING CHARACTERISTICS
100 mA
200 mA
OUTPUT LOADING CURRENT, I
LOAD
/mA
1.0
10
1
1000
–2
100
–3
Figure 15. Output Voltage Change vs.
Load Current
O
OUTPUT LOADING CURRENT, I
LOAD
/mA
–1
0
3
L = 22 H
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
1.0
1.5
3.0
40
2.0
0
Figure 16. Output Voltage Change vs.
Load Current
BATTERY INPUT VOLTAGE, V
BATT
/V
80
120
Figure 17. Output Ripple Voltage vs.
Battery Input Voltage
0
2.0
8.0
6.0
2.0
4.0
0
Figure 18. Output Ripple Voltage vs.
Battery Input Voltage
N
B
/
μ
A
INPUT VOLTAGE AT OUT PIN, V
OUT
/V
4.0
6.0
14
Figure 19. No Load Operating Current vs.
Input Voltage at OUT Pin
Figure 20. Startup Transient Response
V
IN
= 1.8 V
3.0 V
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
L = 22 H
2
2.2 V
1.0
10
1
1000
–2
100
–3
O
–1
0
3
L = 15 H
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
V
IN
= 1.8 V
3.0 V
2
2.2 V
2.5
20
60
100
140
160
180
200
100 mA
1.0
1.5
3.0
40
2.0
0
R
R
/
p
BATTERY INPUT VOLTAGE, V
BATT
/V
80
120
V
OUT
= 3.3 V
C
IN
= 10
μ
F
C
OUT
= 33
μ
F
L = 15 H
2.5
20
60
100
140
160
180
200
R
R
/
p
200 mA
10
12
1.0
3.0
5.0
(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, 2.0 V/Division
Lower Trace: Shutdown Pin Waveform, 1.0 V/Division
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