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LM323K STEEL/NOPB PDF预览

LM323K STEEL/NOPB

更新时间: 2024-11-23 11:07:03
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
12页 1187K
描述
3A/5V 固定输出线性稳压器 | NDS | 2 | 0 to 125

LM323K STEEL/NOPB 数据手册

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LM123, LM323-N, LM323A  
www.ti.com  
SNVS757B MAY 2004REVISED NOVEMBER 2004  
LM123/LM323A/LM323-N 3-Amp, 5-Volt Positive Regulator  
Check for Samples: LM123, LM323-N, LM323A  
The 3 amp regulator is virtually blowout proof.  
1
FEATURES  
Current limiting, power limiting, and thermal shutdown  
provide the same high level of reliability obtained with  
these techniques in the LM109 1 amp regulator.  
2
Ensured 1% Initial Accuracy (A Version)  
3 Amp Output Current  
Internal Current and Thermal Limiting  
0.01Ω Typical Output Impedance  
7.5V Minimum Input Voltage  
30W Power Dissipation  
No external components are required for operation of  
the LM123. If the device is more than 4 inches from  
the filter capacitor, 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 capacitance.  
P+ Product Enhancement tested  
DESCRIPTION  
An overall worst case specification for the combined  
effects of input voltage, load currents, ambient  
temperature, and power dissipation ensure that the  
The LM123 is a three-terminal positive regulator with  
a preset 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.  
LM123 will perform satisfactorily as  
element.  
a system  
For applications requiring other voltages, see LM150  
series adjustable regulator data sheet.  
The LM323A offers improved precision over the  
standard LM323-N. Parameters with tightened  
specifications include output voltage tolerance, line  
regulation, and load regulation.  
Operation is specified 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-N. A  
hermetic TO-3 package is used for high reliability and  
low thermal resistance.  
Connection Diagram  
Metal Can Package  
Figure 1. See Package Number NDS  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004, Texas Instruments Incorporated  

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