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參數資料
| 型號： | NCP1729 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Switched Capacitor Voltage Inverter |
| 中文描述： | 開關電容電壓逆變器 |
| 文件頁數： | 9/22頁 |
| 文件大小： | 165K |
| 代理商： | NCP1729 |
NCP1729
http://onsemi.com
9
+
6
4
2
3
1
OSC
Capacitors = 3.3 F
+
+
V
in
5
+
+
V
out
Figure 22. Negative Output Voltage Doubler
A single device can be used to construct a negative voltage doubler. The output voltage is approximately equal to 2.0 V
in
minus the forward voltage drop of each external diode. The performance characteristics for the above converter are shown
below. Note that curves A and C show the circuit performance with economical 1N4148 diodes, while curves B and D are with
lower loss MBRA120E Schottky diodes.
0
0
2.0
20
10
4.0
6.0
10.0
30
40
I
out
, OUTPUT CURRENT (mA)
Figure 23. Doubler Load Regulation,
Output Voltage vs. Output Current
V
o
,
8.0
A
B
T
A
= 25
°
C
C
D
A
3.0
1N4148
B
3.0
MBRA120E
Curve
V
in
(V)
All Diodes
118
107
R
out
( )
C
5.0
1N4148
D
5.0
MBRA120E
91
85
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1729-SKT | 制造商:P&S 功能描述:Sample Kit, including Two NCP1729SN35T1 and A Development Source CD-ROM 制造商:P&S 功能描述:Sample Kit,including Two NCP1729SN35T1 and A Development Source CD-ROM |
| NCP1729SN35T1 | 功能描述:電荷泵 Switched Cap Voltage RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| NCP1729SN35T1G | 功能描述:電荷泵 Switched Cap Voltage Inverter w/Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| NCP1729SN35T1G | 制造商:ON Semiconductor 功能描述:Power Supply IC |
| NCP1800DM41R2 | 功能描述:電池管理 4.1V Single Cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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