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LA5744

更新时间: 2024-01-22 03:30:59
品牌 Logo 应用领域
三洋 - SANYO 稳压器开关局域网
页数 文件大小 规格书
5页 77K
描述
Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type)

LA5744 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete针数:5
Reach Compliance Code:not_compliantFactory Lead Time:1 week
风险等级:5.8Is Samacsys:N
Base Number Matches:1

LA5744 数据手册

 浏览型号LA5744的Datasheet PDF文件第2页浏览型号LA5744的Datasheet PDF文件第3页浏览型号LA5744的Datasheet PDF文件第4页浏览型号LA5744的Datasheet PDF文件第5页 
Ordering number : ENA0717C  
Monolithic Linear IC  
Separately-Excited Step-Down  
LA5744  
Switching Regulator  
(Variable Type)  
Overview  
The LA5744 is a separately-excited step-down switching regulator (variable type).  
Functions  
High efficiency.  
Time-base generator (300kHz) incorporated.  
Current limiter incorporated.  
Thermal shutdown circuit incorporated.  
Soft start circuit incorporated.  
Specifications  
Maximum Ratings at Ta = 25°C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
V
Input voltage  
V
30  
IN  
Maximum output current  
I
max  
3
-1  
A
O
V
SW pin application reverse voltage  
Allowable power dissipation  
V
SW  
Pd max1  
Pd max2  
Topr  
No heat sink  
1.75  
W
W
°C  
°C  
°C  
Infinite heat sink  
7.5  
Operating temperature  
Storage temperature  
Junction temperature  
-30 to +125  
-40 to +150  
150  
Tstg  
Tj max  
* Specified circuit board : 76.1×114.3×1.6mm3 : Copper foil ratio 60% FR4  
Recommended Operating Conditions at Ta = 25°C  
Parameter  
Input voltage range  
Symbol  
Conditions  
Ratings  
Unit  
V
V
4.5 to 28  
IN  
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to  
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,  
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be  
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace  
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety  
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case  
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee  
thereof. If you should intend to use our products for applications outside the standard applications of our  
customer who is considering such use and/or outside the scope of our intended standard applications, please  
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our  
customer shall be solely responsible for the use.  
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate  
the performance, characteristics, and functions of the described products in the independent state, and are not  
guarantees of the performance, characteristics, and functions of the described products as mounted in the  
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent  
device, the customer should always evaluate and test devices mounted in the customer  
's products or  
equipment.  
52307 MS PC 20070522-S00004 / 42507 MS PC / 31407 MS PC / 30707 MS PC 20070215-S00001 No.A0717-1/5  

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