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參數資料
型號: MAX828EUK
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Switched-Capacitor Voltage Inverters
中文描述: SWITCHED CAPACITOR CONVERTER, 20 kHz SWITCHING FREQ-MAX, PDSO5
封裝: SOT-23, 5 PIN
文件頁數: 8/18頁
文件大小: 158K
代理商: MAX828EUK
MAX828, MAX829
http://onsemi.com
8
The MAX828 / 829 primary function is a voltage inverter. The device will convert 5.0 V into 5.0 V with light loads. Two
capacitors are required for the inverter to function. A third capacitor, the input bypass capacitor, may be required depending
on the power source for the inverter. The performance for this device is illustrated below.
0
0.0
3.0
20
10
4.0
6.0
30
50
I
out
, OUTPUT CURRENT (mA)
Figure 25. Voltage Inverter Load Regulation
Output Voltage vs. Output Current MAX828
V
o
,
T
A
= 25
°
C
I
out
, OUTPUT CURRENT (mA)
Figure 26. Voltage Inverter Load Regulation
Output Voltage vs. Output Current MAX829
V
o
,
T
A
= 25
°
C
5.0
2.0
1.0
40
0
0.0
3.0
20
10
4.0
6.0
30
50
5.0
2.0
1.0
40
V
in
= 3.3 V
V
in
= 5.0 V
V
in
= 3.3 V
V
in
= 5.0 V
5
4
2
3
1
OSC
MAX828 Capacitors = 10 F
MAX829 Capacitors = 3.3 F
V
in
5
4
2
3
1
OSC
+
+
+
Figure 27. Cascade Devices for Increased Negative Output Voltage
+
+
V
out
Two or more devices can be cascaded for increased output voltage. Under light load conditions, the output voltage is
approximately equal to V
in
times the number of stages. The converter output resistance increases dramatically with each
additional stage. This is due to a reduction of input voltage to each successive stage as the converter output is loaded. Note that
the ground connection for each successive stage must connect to the negative output of the previous stage. The performance
characteristics for a converter consisting of two cascaded devices are shown below.
相關PDF資料
PDF描述
MAX828 Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125
MAX829EUK Parallel-Load 8-Bit Shift Registers 20-LCCC -55 to 125
MAX828EUK-T IC-SM-VOLTAGE INVERTER
MAX829EUK-T IC-SMD-SWT CAPACITOR INVERTER
MAX828 Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125
相關代理商/技術參數
參數描述
MAX828EUK+ 制造商:Maxim Integrated Products 功能描述:CHG PUMP INV -5.5V TO -1.5V 25MA 5PIN SOT-23 - Cut Tape Product 制造商:Maxim Integrated Products 功能描述:SWITCHED-CAPACITOR VOLTAGE INVERTERS 制造商:Maxim Integrated Products 功能描述:DC-DC converter,MAX828UK-T -Vin 25mA
MAX828EUK+T 功能描述:電荷泵 Switched-Capacitor Voltage Inverter 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
MAX828EUK-C70929 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX828EUKG 功能描述:電荷泵 Switched Cap Voltage Inverter 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
MAX828EUK-T 功能描述:電荷泵 Switched-Capacitor Voltage Inverter 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
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