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LM2931AT-5.0/NOPB

更新时间： 2024-11-19 20:20:43
品牌 Logo 应用领域
美国国家半导体 - NSC 局域网输出元件调节器
页数 文件大小 规格书
18页 348K
描述
IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSFM3, PLASTIC, TO-220, 3 PIN, Fixed Positive Single Output LDO Regulator

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LM2931AT-5.0/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：, SIP3,.1TBReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.07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-PSFM-T3
JESD-609代码：e3最大电网调整率：0.03%
最大负载调整率：0.05%湿度敏感等级：1
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 1：5.25 V最小输出电压 1：4.75 V
标称输出电压 1：5 V封装主体材料：PLASTIC/EPOXY
封装等效代码：SIP3,.1TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT包装方法：RAIL
峰值回流温度（摄氏度）：NOT APPLICABLE认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR子类别：Other Regulators
表面贴装：NO技术：BIPOLAR
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
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：NOT APPLICABLE最大电压容差：5%
Base Number Matches：1

LM2931AT-5.0/NOPB 数据手册

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June 2005  
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 cur-  
rents of 10mA) make the LM2931 the ideal regulator for  
standby power systems. Applications include memory stand-  
by circuits, CMOS and other low power processor power  
supplies as well as systems demanding as much as 100mA  
of output current.  
Features  
Very low quiescent current  
■
■
■
■
■
■
■
■
Output current in excess of 100 mA  
Input-output differential less than 0.6V  
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.  
60V load dump protection  
−50V reverse transient protection  
Short circuit protection  
Internal thermal overload protection  
Mirror-image insertion protection  
■
■
Available in TO-220, TO-92, TO-263, SO-8 or 6-Bump mi-  
cro SMD packages  
Available as adjustable with TTL compatible switch  
■
■
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  
525406  
525411  
Front View  
Top View  
525412  
Side View  
8-Pin Surface Mount  
TO-92 Plastic Package  
525408  
Bottom View  
525407  
*NC = Not internally connected. Must be electrically isolated from the rest of  
the circuit for the micro SMD package.  
Top View  
© 2006 National Semiconductor Corporation  
5254  
www.national.com  
1234567...18

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