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參數(shù)資料
| 型號(hào)： | NCP1406SNT1G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 25 V/25 mA PFM Step−Up DC−DC Converter |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | LEAD FREE, SC-59, SOT-23, TSOP-5 |
| 文件頁數(shù)： | 9/23頁 |
| 文件大小： | 224K |
| 代理商： | NCP1406SNT1G |
NCP1406
http://onsemi.com
9
TYPICAL CHARACTERISTICS
3.7 V
3.0 V
2.4 V
2.0 V
1.8 V
V
DD
= 5.0 V
50
T
A
, AMBIENT TEMPERATURE (
°
C)
1.1
I
L
,
25
0
25
50
75
100
1
Figure 29. No Load Input Current versus
Input Voltage
Figure 30. Current Limit versus
Ambient Temperature
Figure 31. SwitchON Resistance versus
Input Voltage
Figure 32. SwitchON Resistance versus
Ambient Temperature
Figure 33. LX Pin OFFState Leakage Current
versus Ambient Temperature
Figure 34. Feedback Pin Bias Current versus
Ambient Temperature
V
IN
, INPUT VOLTAGE (V)
I
I
,
2
3
4
5
6
1
V
IN
, INPUT VOLTAGE (V)
R
S
,
2
3
4
5
6
T
A
= 85
°
C
1.4
50
T
A
, AMBIENT TEMPERATURE (
°
C)
I
L
,
25
0
25
50
75
100
1000
0.5
0.4
0.3
0.2
0.1
0
V
OUT
= 25 V
L1 = 8.2 H
D1 = MBR0530LT1
C1 = 10 F
C2 = 3.3 F
C3 = 82 pF
R1 = 2.2 M
R2 = 110 k
T
A
= 25
°
C
1.0
0.9
0.8
0.7
0.6
1.2
1.0
0.8
0.6
0.4
T
A
= 40
°
C
T
A
= 25
°
C
50
T
A
, AMBIENT TEMPERATURE (
°
C)
R
S
,
25
0
25
50
75
1.4
1.2
1.0
0.8
0.6
0.4
100
800
600
400
200
0
V
DD
= 3.0 V
V
LX
= 26 V
V
CE
= 0 V
50
T
A
, AMBIENT TEMPERATURE (
°
C)
I
F
,
25
0
25
50
75
100
50
40
30
20
10
0
V
DD
= 3.0 V
V
FB
= 1.19 V
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