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參數(shù)資料
| 型號： | NCP1421D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 600 mA Sync-Rect PFM Step-Up DC-DC Converter Step-Up DC-DC Converter with True-Cutoff and Ring-Killer |
| 中文描述： | 600毫安同步整流PFM升壓型DC - DC轉換器升壓型DC - DC轉換器與True - Cutoff和Ring殺手 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 116K |
| 代理商： | NCP1421D |
NCP1421
http://onsemi.com
6
TYPICAL OPERATING CHARACTERISTICS
50
60
70
80
90
100
1
10
100
1000
V
IN
= 1.5 V
V
OUT
= 1.8 V
L = 2.2 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 1.5 V
V
OUT
= 5.0 V
L = 2.2 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.0 V
V
OUT
= 3.3 V
L = 10 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.5 V
V
OUT
= 5.0 V
L = 6.8 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.5 V
V
OUT
= 3.3 V
L = 10 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
Figure 8. Efficiency vs. Load Current
Figure 9. Efficiency vs. Load Current
Figure 10. Efficiency vs. Load Current
Figure 11. Efficiency vs. Load Current
Figure 12. Efficiency vs. Load Current
Figure 13. Efficiency vs. Load Current
V
IN
= 3.3 V
V
OUT
= 5.0 V
L = 12 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
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| NCP1421DMR2 | 功能描述:直流/直流開關轉換器 600mA PFM Boost RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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