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LM2984CT

更新时间： 2024-11-25 22:51:43
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美国国家半导体 - NSC 电源电路电源管理电路微处理器局域网
页数 文件大小 规格书
14页 286K
描述
LM2984C Microprocessor Power Supply System

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中文翻译

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LM2984CT 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：POWER, PLASTIC, TO-220, 11 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PZFM-T11JESD-609代码：e0
湿度敏感等级：1信道数量：1
功能数量：1端子数量：11
最高工作温度：125 °C最低工作温度：
最大输出电流：0.5 A标称输出电压：5 V
封装主体材料：PLASTIC/EPOXY封装代码：ZIP
封装等效代码：ZIP11,.2,.17,67TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：260
认证状态：Not Qualified子类别：Power Management Circuits
标称供电电压 (Vsup)：14 V表面贴装：NO
技术：BIPOLAR温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：1.7 mm端子位置：ZIG-ZAG
处于峰值回流温度下的最长时间：40Base Number Matches：1

LM2984CT 数据手册

 浏览型号LM2984CT的Datasheet PDF文件第2页浏览型号LM2984CT的Datasheet PDF文件第3页浏览型号LM2984CT的Datasheet PDF文件第4页浏览型号LM2984CT的Datasheet PDF文件第5页浏览型号LM2984CT的Datasheet PDF文件第6页浏览型号LM2984CT的Datasheet PDF文件第7页 
May 1989  
LM2984C Microprocessor Power Supply System  
General Description  
The LM2984C positive voltage regulator features three in-  
dependent and tracking outputs capable of delivering the  
power for logic circuits, peripheral sensors and standby  
memory in a typical microprocessor system. The LM2984C  
includes circuitry which monitors both its own high-current  
output and also an external mP. If any error conditions are  
sensed in either, a reset error flag is set and maintained until  
the malfunction terminates. Since these functions are in-  
cluded in the same package with the three regulators, a  
great saving in board space can be realized in the typical  
microprocessor system. The LM2984C also features very  
low dropout voltages on each of its three regulator outputs  
(0.6V at the rated output current). Furthermore, the quies-  
cent current can be reduced to 1 mA in the standby mode.  
also provided. Fixed outputs of 5V are available in the plas-  
tic TO-220 power package.  
Features  
Y
Three low dropout tracking regulators  
Y
Output current in excess of 500 mA  
Y
Low quiescent current standby regulator  
Y
Microprocessor malfunction RESET flag  
Y
Delayed RESET on power-up  
Y
Accurate pretrimmed 5V outputs  
Y
Reverse battery protection  
Y
Overvoltage protection  
Y
Reverse transient protection  
Y
Designed also for vehicular applications, the LM2984C and  
all regulated circuitry are protected from reverse battery in-  
stallations or 2-battery jumps. Familiar regulator features  
such as short circuit and thermal overload protection are  
Short circuit protection  
Y
Internal thermal overload protection  
Y
ON/OFF switch for high current outputs  
Y
100% electrical burn-in in thermal limit  
Typical Application Circuit  
LM2984C  
C
must be at least 10 mF to  
OUT  
maintain stability. May be increased  
without bound to maintain regulation  
during transients. Locate as close as  
possible to the regulator. This capac-  
itor must be rated over the same op-  
erating temperature range as the  
regulator. The equivalent series re-  
sistance (ESR) of this capacitor is  
critical; see curve.  
TL/H/8821–1  
Order Number LM2984CT  
See NS Package Number TA11B  
C
1995 National Semiconductor Corporation  
TL/H/8821  
RRD-B30M115/Printed in U. S. A.  
1234567...14

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LM2984CT 替代型号

型号 品牌 替代类型 描述 数据表
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