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ADM1051AJR

更新时间： 2024-11-18 22:47:35
品牌 Logo 应用领域
亚德诺 - ADI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
10页 177K
描述
Precision Dual Voltage Regulator Controllers

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中文翻译

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ADM1051AJR 数据手册

 浏览型号ADM1051AJR的Datasheet PDF文件第2页浏览型号ADM1051AJR的Datasheet PDF文件第3页浏览型号ADM1051AJR的Datasheet PDF文件第4页浏览型号ADM1051AJR的Datasheet PDF文件第5页浏览型号ADM1051AJR的Datasheet PDF文件第6页浏览型号ADM1051AJR的Datasheet PDF文件第7页 
Precision Dual Voltage  
Regulator Controllers  
a
ADM1051/ADM1051A  
GENERAL DESCRIPTION  
FEATURES  
The ADM1051/ADM1051A are dual, precision, voltage regula-  
tor controllers intended for power rail generation and active bus  
termination on personal computer motherboards. They contain a  
precision 1.2 V bandgap reference and two channels consisting of  
control amplifiers driving external power devices. Each channel  
has a shutdown input to turn off amplifier output and Hiccup  
Mode protection circuitry for the external power device. The  
shutdown input on the 1.5 V channel can also be used with the  
TYPEDET signal on a PC motherboard to select the output voltage.  
Two Independent Controllers on One Chip  
1.515 V and 1.818 V Outputs  
Shutdown Inputs to Control Each Channel  
Compatible with PC Motherboard TYPEDET Signal  
؎2.5% Accuracy Over, Line, Load, and Temperature  
Low Quiescent Current  
Low Shutdown Current  
Works with External N-Channel MOSFETs for Low Cost  
“Hiccup Mode” Fault Protection  
No External Voltage or Current Setting Resistors  
1.8 V/3.3 V ICH Sequenced Power-Up on ADM1051A  
Small, 8-Lead SOIC Package  
The ADM1051/ADM1051A operate from a 12 V supply, which  
gives sufficient headroom for the amplifiers to drive external  
N-channel MOSFETs, operating as source-followers, as the  
external series pass devices. This has the advantage that N-  
channel devices are cheaper than P-channel devices of similar  
performance, and the circuit is easier to stabilize than one using  
P-channel devices in a common-source configuration.  
APPLICATIONS  
Desktop Computers  
Servers  
Workstations  
FUNCTIONAL BLOCK DIAGRAM  
V
V
IN  
3.3V  
CC  
CONTROL  
AMPLIFIER  
100␮F  
ADM1051/ADM1051A  
BANDGAP  
FORCE 1  
SENSE 1  
REFERENCE  
V
CC  
V
OUT1  
2
؋
100␮F  
50␮A  
SHUTDOWN  
CONTROL  
SHDN1  
HICCUP  
COMPARATOR  
V
IN  
3.3V  
CONTROL  
AMPLIFIER  
100␮F  
FORCE 2  
SENSE 2  
NO CONNECTION  
ON ADM1051A  
V
CC  
V
OUT2  
2
؋
100␮F  
50␮A  
SHUTDOWN  
CONTROL  
SHDN2  
HICCUP  
COMPARATOR  
V
CC  
POWER-ON  
RESET  
CLK/DELAY  
GENERATOR  
CLOCK  
OSCILLATOR  
GND  
REV. 0  
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  
otherwise under any patent or patent rights of Analog Devices.  
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., 2000  
1234567...10

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ADM1051AJR 替代型号

型号 品牌 替代类型 描述 数据表
ADM1051AJR-REEL ADI

完全替代

 IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051AJR-REEL7 ADI

完全替代

 IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051JR ADI

完全替代

 Precision Dual Voltage Regulator Controllers

与ADM1051AJR相关器件

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ADM1051AJR-REEL ROCHESTER

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 		DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8
ADM1051AJR-REEL ADI

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 		IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051AJR-REEL7 ADI

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 		IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051AJRZ ADI

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 		IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051AJRZ-REEL ADI

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 		暂无描述
ADM1051AJRZ-REEL7 ADI

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 		IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051AJRZ-REEL7 ROCHESTER

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 		DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8
ADM1051JR ADI

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 		Precision Dual Voltage Regulator Controllers
ADM1051JR-REEL ADI

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 		IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller
ADM1051JR-REEL ROCHESTER

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 		DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8

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