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LM78M05L3 PDF预览

LM78M05L3

更新时间: 2024-11-05 01:12:47
品牌 Logo 应用领域
全宇昕 - CYSTEKEC /
页数 文件大小 规格书
6页 255K
描述
Three Terminal Medium Current Positive Voltage Regulators

LM78M05L3 数据手册

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Spec. No. : C520L3  
Issued Date : 2007.07.24  
Revised Date :2008.03.19  
CYStech Electronics Corp.  
Page No. : 1/6  
Three Terminal Medium Current  
Positive Voltage Regulators  
LM78M05L3  
SOT-223  
Description  
These regulators employ internal current-limiting and thermal-shutdown, making them essentially  
indestructible. They can deliver up to 500mA output current, if the case temperature can be kept at  
Tc=25°C.  
They are intended as fixed voltage regulators in a wide range of applications including local (on-card)  
regulation for elimination of noise and distribution problems associated with single-point regulation. In  
addition, they can be used with power pass elements to make high-current voltage regulators. The  
LM78M05L3 used as a Zener diode/resistor combination replacement, offers an effective output  
impedance improvement of typically two orders of magnitude, along with lower quiescent current and  
lower noise.  
Absolute Maximum Ratings (Ta=25°C)  
Input Voltage…………………………………………………………………………………………. 30 V  
Total Power Dissipation………………………………………………………………. Internally limited  
Operating Temperature Range……………………………………………………………. 0 °C to +125 °C  
Maximum Junction Temperature……………………………………………………………………125 °C  
Storage Temperature Range…………………………………………………………… -55 °C to +150 °C  
Typical Application  
Vin  
5kΩ  
Vin  
Vout  
C2  
LM78M05  
5.7kΩ  
100Ω  
5p  
1.5k
Ω  
100Ω  
1.9kΩ  
576
Ω  
C1  
Vout  
3.41k
Ω  
3.89k
Ω  
13k
Ω  
2.23k
Ω  
7.8k
Ω  
Note:  
C1 and C2 are required if regulator is  
located far from power supply filter  
and load, or oscillation may induced  
on the loop.  
2.84kΩ  
Gnd  
LM78M05L3  
CYStek Product Specification  

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