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ADM8828ARTZ-REEL7 PDF预览

ADM8828ARTZ-REEL7

更新时间： 2024-11-19 15:32:07
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管
页数 文件大小 规格书
6页 73K
描述
Switched-Capacitor Voltage Inverter with Shutdown

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中文翻译

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ADM8828ARTZ-REEL7 数据手册

 浏览型号ADM8828ARTZ-REEL7的Datasheet PDF文件第2页浏览型号ADM8828ARTZ-REEL7的Datasheet PDF文件第3页浏览型号ADM8828ARTZ-REEL7的Datasheet PDF文件第4页浏览型号ADM8828ARTZ-REEL7的Datasheet PDF文件第5页浏览型号ADM8828ARTZ-REEL7的Datasheet PDF文件第6页 
Switched-Capacitor  
Voltage Inverter with Shutdown  
a
ADM8828/ADM8829  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Inverts Input Supply Voltage  
99% Voltage Conversion Efficiency  
25 mA Output Current  
Shutdown Function  
Requires Only Two Capacitors  
1 ␮F Capacitors  
1
2
3
6
5
4
CAP+  
SHDN  
GND  
OUT  
IN  
ADM8828  
TOP VIEW  
(Not to Scale)  
CAP–  
18 ⍀ Output Resistance  
+1.5 V to +5.5 V Input Range  
600 ␮A Quiescent Current  
20 nA Shutdown Current (ADM8828)  
1
2
3
6
5
4
CAP+  
NC  
OUT  
IN  
ADM8829  
TOP VIEW  
(Not to Scale)  
CAP–  
GND  
NC = NO CONNECT  
APPLICATIONS  
Handheld Instruments  
LCD Panels  
Cellular Phones  
PDAs  
Remote Data Acquisition  
Op Amp Power Supplies  
GENERAL DESCRIPTION  
+1.5V TO +5.5V  
INPUT  
The ADM8828/ADM8829 is a charge-pump voltage inverter  
which may be used to generate a negative supply from a positive  
input. Input voltages ranging from +1.5 V to +5.5 V can be  
inverted into a negative –1.5 V to –5.5 V output supply. This  
inverting scheme is ideal for generating a negative rail in single  
power-supply systems. Only two small external capacitors are  
needed for the charge pump. Output currents up to 25 mA with  
greater than 99% efficiency are achievable.  
CAP+  
IN  
+
ADM8828/  
ADM8829  
C1  
1␮F  
SHUTDOWN  
CONTROL  
SHDN  
CAP–  
INVERTED  
OUT  
GND  
NEGATIVE  
OUTPUT  
C2  
+ 1␮F  
The ADM8828 also features a low power shutdown (SHDN)  
pin. This can be used to disable the device and reduce the quies-  
cent current to 20 nA.  
Figure 1. Typical Circuit Configuration  
The ADM8828/ADM8829 is available in a 6-lead SOT-23  
package.  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwiseunderanypatentorpatentrightsofAnalogDevices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1999  
123456

中文翻译

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ADM8828ARTZ-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
ADM8828ART-REEL7 ADI

完全替代

 IC SWITCHED CAPACITOR CONVERTER, 190 kHz SWITCHING FREQ-MAX, PDSO6, SOT-23, 6 PIN, Switchi
ADM8828ARTZ ADI

完全替代

 Switched-Capacitor Voltage Inverter with Shutdown
ADM8828ARTZ-REEL ADI

类似代替

 Switched-Capacitor Voltage Inverter with Shutdown

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