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ADM1051AJR-REEL

更新时间： 2024-01-10 10:06:13
品牌 Logo 应用领域
亚德诺 - ADI 开关光电二极管
页数 文件大小 规格书
10页 173K
描述
IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller

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ADM1051AJR-REEL 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：End Of Life零件包装代码：SOIC
包装说明：SOIC-8针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER最大输入电压：12.72 V
最小输入电压：11.28 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：2.59 mm表面贴装：YES
切换器配置：SINGLE温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.9 mm
Base Number Matches：1

ADM1051AJR-REEL 数据手册

 浏览型号ADM1051AJR-REEL的Datasheet PDF文件第2页浏览型号ADM1051AJR-REEL的Datasheet PDF文件第3页浏览型号ADM1051AJR-REEL的Datasheet PDF文件第4页浏览型号ADM1051AJR-REEL的Datasheet PDF文件第5页浏览型号ADM1051AJR-REEL的Datasheet PDF文件第6页浏览型号ADM1051AJR-REEL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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