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參數(shù)資料
| 型號(hào)： | NCP1729 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Switched Capacitor Voltage Inverter |
| 中文描述： | 開(kāi)關(guān)電容電壓逆變器 |
| 文件頁(yè)數(shù)： | 4/22頁(yè) |
| 文件大小： | 165K |
| 代理商： | NCP1729 |
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NCP1729
http://onsemi.com
4
,
80
60
90
50
70
40
100
1.00
2.0
5.0
V
o
,
6.0
I
out
, OUTPUT CURRENT (mA)
Figure 8. Output Voltage vs. Output Current
Figure 9. Power Conversion Efficiency vs.
Output Current
Figure 10. Output Voltage Ripple and Noise
TIME = 10 s / Div.
Figure 11. Shutdown Supply Current vs.
Ambient Temperature
T
A
, AMBIENT TEMPERATURE (
°
C)
I
S
,
O
N
Figure 12. Supply Voltage vs. Shutdown Input
Voltage Threshold
0.0
50
50
75
25
0
100
25
0.50
1.25
0.75
0.25
1.50
1.75
I
out
, OUTPUT CURRENT (mA)
4.0
3.0
1.0
0
50
20
10
40
30
0
50
20
10
40
30
V
in
= 2.0 V
V
in
= 3.3 V
V
in
= 5.0 V
R
L
= 10 k
SHDN = GND
Figure 14 Test Setup
T
A
= 25
°
C
V
in
= 1.5 V
V
in
= 3.3 V
V
in
= 5.0 V
V
in
= 1.5 V
V
in
= 2.0 V
V
in
= 3.3 V
V
in
= 5.0 V
Figure 14 Test Setup
V
in
= 3.3 V
I
out
= 5.0 mA
T
A
= 25
°
C
Figure 13. Wakeup Time From Shutdown
TIME = 400 s / Div.
W
V
in
= 5.0 V
R
L
= 1.0 k
T
A
= 25
°
C
V
out
= 1.0 V/Div.
SHDN = 5.0V/Div.
Figure 14 Test Setup
T
A
= 25
°
C
V
i
,
0.5
V
th(SHND)
, SHUTDOWN INPUT VOLTAGE THRESHOLD (V)
2.5
2.0
1.5
1.0
3.0
Low State,
Device Shutdown
T
A
= 25
°
C
High State,
Device Operating
5.0
4.5
3.5
4.0
3.0
2.5
1.5
2.0
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