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LM2931S-5.0 PDF预览

LM2931S-5.0

更新时间： 2024-11-22 22:22:47
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
18页 364K
描述
Series Low Dropout Regulators

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中文翻译

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LM2931S-5.0 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TO-263, 3 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.05可调性：FIXED
最大回动电压 1：0.6 V标称回动电压 1：0.3 V
最大绝对输入电压：26 V最大输入电压：26 V
最小输入电压：6 VJESD-30 代码：R-PSSO-G3
JESD-609代码：e0长度：10.16 mm
最大电网调整率：0.03%最大负载调整率：0.05%
湿度敏感等级：3功能数量：1
输出次数：1端子数量：3
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.1 A最大输出电压 1：5.5 V
最小输出电压 1：4.5 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP3H,.55TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：RAIL
峰值回流温度（摄氏度）：235认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：4.8 mm
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：2.54 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
最大电压容差：10%宽度：8.64 mm
Base Number Matches：1

LM2931S-5.0 数据手册

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March 2000  
LM2931  
Series Low Dropout Regulators  
Both versions are available in a TO-220 power package,  
TO-263 surface mount package, and an 8-lead surface  
mount package. The fixed output version is also available in  
the TO-92 plastic and 6-Bump micro SMD packages.  
General Description  
The LM2931 positive voltage regulator features a very low  
quiescent current of 1mA or less when supplying 10mA  
loads. This unique characteristic and the extremely low  
input-output differential required for proper regulation (0.2V  
for output currents of 10mA) make the LM2931 the ideal  
regulator for standby power systems. Applications include  
memory standby circuits, CMOS and other low power pro-  
cessor power supplies as well as systems demanding as  
much as 100mA of output current.  
Features  
n Very low quiescent current  
n Output current in excess of 100 mA  
n Input-output differential less than 0.6V  
n Reverse battery protection  
Designed originally for automotive applications, the LM2931  
and all regulated circuitry are protected from reverse battery  
installations or 2 battery jumps. During line transients, such  
as a load dump (60V) when the input voltage to the regulator  
can momentarily exceed the specified maximum operating  
voltage, the regulator will automatically shut down to protect  
both internal circuits and the load. The LM2931 cannot be  
harmed by temporary mirror-image insertion. Familiar regu-  
lator features such as short circuit and thermal overload pro-  
tection are also provided.  
n 60V load dump protection  
n −50V reverse transient protection  
n Short circuit protection  
n Internal thermal overload protection  
n Mirror-image insertion protection  
n Available in TO-220, TO-92, TO-263, SO-8 or 6-Bump  
micro SMD packages  
n Available as adjustable with TTL compatible switch  
n See AN-1112 for micro SMD considerations  
±
The LM2931 family includes a fixed 5V output ( 3.8% toler-  
ance for A grade) or an adjustable output with ON/OFF pin.  
Connection Diagrams  
FIXED VOLTAGE OUTPUT  
TO-220 3-Lead Power Package  
TO-263 Surface-Mount Package  
DS005254-6  
DS005254-11  
Front View  
Top View  
DS005254-12  
Side View  
8-Pin Surface Mount  
TO-92 Plastic Package  
DS005254-8  
Bottom View  
DS005254-7  
*NC = Not internally connected. Must be electrically isolated from the rest  
of the circuit for the micro SMD package.  
Top View  
© 2000 National Semiconductor Corporation  
DS005254  
www.national.com  
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