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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： | 17/22頁 |
| 文件大?。?/td> | 165K |
| 代理商： | NCP1729 |
NCP1729
http://onsemi.com
17
+
6
4
2
3
1
OSC
+
V
in
5
V
out
Q
1
C
3
+
C
2
Q
2
C
1
C
1
= C
2
= 470 F
C
3
= 220 F
Q
1
= PZT751
Q
2
= PZT651
Figure 39. Line and Load Regulated Negative Output Voltage with High Current Capability
R
1
R
2
10 k
This converter is a combination of Figures 37 and 32. It provides a line and load regulated output of 2.47 V at up to 300 mA
with an input voltage of 5.0 V. The output will regulate at a level of V
ref
(R
2
/R
1
+ 1). The performance characteristics are
shown below. Note that the dashed line is the open loop and the solid line is the closed loop configuration for the load regulation.
2.6
I
out
, OUTPUT CURRENT (A)
Figure 40. Current Boosted Load Regulation,
Output Voltage vs. Output Current
V
o
,
0
0.4
0.5
0.3
0.2
0.1
0.6
3.2
2.4
2.8
2.2
2.0
V
in
= 5.0 V
R
out
= 1.0
R
1
= R
2
= 10 k
T
A
= 25
°
C
3.0
1.6
V
in
, INPUT VOLTAGE (V)
V
o
,
2.5
4.5
5.0
4.0
3.5
3.0
5.5
2.6
1.1
2.1
0.6
0.1
Figure 41. Current Boosted Line Regulation,
Output Voltage vs. Output Current
I
out
= 100 mA
R
1
= R
2
= 10 k
T
A
= 25
°
C
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相關代理商/技術參數 |
參數描述 |
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| 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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