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參數資料
| 型號： | NCP1729SN35T1G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Switched Capacitor Voltage Inverter |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, 54 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | LEAD FREE, SOT-23, TSOP-6 |
| 文件頁數： | 13/22頁 |
| 文件大小： | 165K |
| 代理商： | NCP1729SN35T1G |
NCP1729
http://onsemi.com
13
+
6
4
2
3
1
OSC
+
V
in
5
V
out
+
Figure 30. Load Regulated Negative Output Voltage
Capacitors = 3.3 F
100 k
A zener diode can be used with the shutdown input to provide closed loop regulation performance. This significantly reduces
the converter’s output resistance and dramatically enhances the load regulation. For closed loop operation, the desired
regulated output voltage must be lower in magnitude than V
in
. The output will regulate at a level of V
Z
+ V
th(SHDN)
. Note
that the shutdown input voltage threshold is typically 0.5 V
in
and therefore, the regulated output voltage will change
proportional to the converter’s input. This characteristic will not present a problem when used in applications with constant
input voltage. In this case the zener breakdown was measured at 25 A. The performance characteristics for the above
converter are shown below. Note that the dashed curve sections represent the converter’s open loop performance.
0
2.0
30
20
10
V
o
,
5.0
1.0
I
out
, OUTPUT CURRENT (mA)
Figure 31. Load Regulation, Output Voltage vs.
Output Current
4.0
3.0
40
70
50
A
B
A
3.3
3.9
B
5.0
6.5
Curve
V
in
(V)
V
z
(V)
2.1
3.8
V
out
(V)
60
T
A
= 25
°
C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| NCP1800DM41R2G | 功能描述:電池管理 4.1V Single Cell Lithium-Ion Charger 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 |
| NCP1800DM42R2 | 功能描述:電池管理 4.2V 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 |
| NCP1800DM42R2G | 功能描述:電池管理 4.2V Single Cell Lithium-Ion Charger 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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