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(zhuǎn)換器升壓型DC - DC轉(zhuǎn)換器與True - Cutoff和Ring殺手
文件頁數(shù)： 6/14頁
文件大小： 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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