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LM123KSTEEL

更新时间： 2024-11-23 12:58:19
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
8页 206K
描述
IC VREG 5 V FIXED POSITIVE REGULATOR, MBFM2, HERMETIC SEALED, METAL CAN, TO-3, 2 PIN, Fixed Positive Single Output Standard Regulator

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LM123KSTEEL 技术参数

是否Rohs认证：不符合生命周期：Obsolete
包装说明：TO-3, TO-204/-3Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.36Is Samacsys：N
可调性：FIXED标称回动电压 1：2.9 V
最大绝对输入电压：20 V最大输入电压：15 V
最小输入电压：7.5 VJESD-30 代码：O-MBFM-P2
JESD-609代码：e0最大电网调整率：0.025%
最大负载调整率：0.1%功能数量：1
输出次数：1端子数量：2
工作温度TJ-Max：150 °C工作温度TJ-Min：-55 °C
最高工作温度：150 °C最低工作温度：-55 °C
最大输出电流 1：3 A最大输出电压 1：5.4 V
最小输出电压 1：4.6 V标称输出电压 1：5 V
封装主体材料：METAL封装代码：TO-3
封装等效代码：TO-204/-3封装形状：ROUND
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
子类别：Other Regulators表面贴装：NO
技术：BIPOLAR端子面层：Tin/Lead (Sn/Pb)
端子形式：PIN/PEG端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED最大电压容差：8%
Base Number Matches：1

LM123KSTEEL 数据手册

 浏览型号LM123KSTEEL的Datasheet PDF文件第2页浏览型号LM123KSTEEL的Datasheet PDF文件第3页浏览型号LM123KSTEEL的Datasheet PDF文件第4页浏览型号LM123KSTEEL的Datasheet PDF文件第5页浏览型号LM123KSTEEL的Datasheet PDF文件第6页浏览型号LM123KSTEEL的Datasheet PDF文件第7页 
April 1998  
LM123/LM323A/LM323  
3-Amp, 5-Volt Positive Regulator  
An overall worst case specification for the combined effects  
of input voltage, load currents, ambient temperature, and  
power dissipation ensure that the LM123 will perform satis-  
factorily as a system element.  
General Description  
The LM123 is a three-terminal positive regulator with a pre-  
set 5V output and a load driving capability of 3 amps. New  
circuit design and processing techniques are used to provide  
the high output current without sacrificing the regulation  
characteristics of lower current devices.  
For applications requiring other voltages, see LM150 series  
adjustable regulator data sheet.  
Operation is guaranteed over the junction temperature range  
−55˚C to +150˚C for LM123, −40˚C to +125˚C for LM323A,  
and 0˚C to +125˚C for LM323. A hermetic TO-3 package is  
used for high reliability and low thermal resistance.  
The LM323A offers improved precision over the standard  
LM323. Parameters with tightened specifications include  
output voltage tolerance, line regulation, and load regulation.  
The 3 amp regulator is virtually blowout proof. Current limit-  
ing, power limiting, and thermal shutdown provide the same  
high level of reliability obtained with these techniques in the  
LM109 1 amp regulator.  
Features  
n Guaranteed 1% initial accuracy (A version)  
n 3 amp output current  
No external components are required for operation of the  
LM123. If the device is more than 4 inches from the filter ca-  
pacitor, however, a 1 µF solid tantalum capacitor should be  
used on the input. A 0.1 µF or larger capacitor may be used  
on the output to reduce load transient spikes created by fast  
switching digital logic, or to swamp out stray load capaci-  
tance.  
n Internal current and thermal limiting  
n 0.01Ω typical output impedance  
n 7.5V minimum input voltage  
n 30W power dissipation  
n P+ Product Enhancement tested  
Connection Diagram  
Metal Can Package  
DS007771-2  
Order Number LM123K STEEL, LM323AK STEEL or LM323K STEEL  
See NS Package Number K02A  
Order Number LM123K/883  
See NS Package Number K02C  
Typical Applications  
Basic 3 Amp Regulator  
DS007771-3  
*Required if LM123 is more than 4" from filter capacitor.  
†
Regulator is stable with no load capacitor into resistive loads.  
© 1999 National Semiconductor Corporation  
DS007771  
www.national.com  
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