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參數(shù)資料
| 型號： | MAX1720EUTG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Switched Capacitor Voltage Inverter with Shutdown |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, 21 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | LEAD FREE, TSOP-6 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 191K |
| 代理商： | MAX1720EUTG |
MAX1720
http://onsemi.com
14
Figure 39. Line and Load Regulated Negative Output Voltage
with High Current Capability
+
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
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 2.36 V at up to 450 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, the dashed line is the open loop and the solid line is the closed loop performance.
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
V
in
= 5.0 V
R
out
= 0.9
R
1
= 10 k
R
2
= 9.0 k
T
A
= 25
°
C
3.0
1.4
V
o
,
3.0
5.0
5.5
4.5
4.0
3.5
6.0
2.4
1.2
1.6
1.0
1.8
V
in
, INPUT VOLTAGE (V)
2.0
2.2
Figure 41. Current Boosted Line Regulation,
Output Voltage vs. Input Voltage
I
out
= 100 mA
R
1
= 10 k
R
2
= 9 k
T
A
= 25
°
C
Figure 42. Positive Output Voltage Doubler with High Current Capability
+
6
4
2
3
1
OSC
+
V
in
5
V
out
Q
1
C
3
+
C
2
Q
2
C
1
Capacitors = 220 F
Q
1
= PZT751
Q
2
= PZT651
50
50
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1720EUT-T | 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 |
| MAX1721EUT | 制造商:Maxim Integrated Products 功能描述:VOLTAGE INVERTER - Rail/Tube |
| MAX1721EUT+ | 制造商:Maxim Integrated Products 功能描述:CHG PUMP INV -5.5V TO -1.4V 25MA 6PIN SOT-23 - Rail/Tube |
| MAX1721EUT+T | 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 |
| MAX1721EUTT | 制造商:MAXIM 功能描述:New |
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