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L4945 PDF预览

L4945

更新时间: 2024-09-25 22:47:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
6页 46K
描述
5V VERY LOW DROP VOLTAGE REGULATOR

L4945 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SFM包装说明:, SIP3,.1TB
针数:3Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.78Is Samacsys:N
可调性:FIXED最大回动电压 1:0.75 V
标称回动电压 1:0.75 V最大绝对输入电压:35 V
最大输入电压:26 V最小输入电压:6 V
JESD-30 代码:R-PSFM-T3JESD-609代码:e0
最大电网调整率:0.01%最大负载调整率:0.06%
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 1:0.5 A
最大输出电压 1:5.2 V最小输出电压 1:4.8 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 LDO 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: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 SPECIFIED
最大电压容差:4%Base Number Matches:1

L4945 数据手册

 浏览型号L4945的Datasheet PDF文件第2页浏览型号L4945的Datasheet PDF文件第3页浏览型号L4945的Datasheet PDF文件第4页浏览型号L4945的Datasheet PDF文件第5页浏览型号L4945的Datasheet PDF文件第6页 
L4945  
5V VERY LOW DROP VOLTAGE REGULATOR  
5V ± 4% PRECISE OUTPUT VOLTAGE  
OVER FULL TEMPERATURE RANGE  
(– 40 / 125 C)  
°
VERY LOW VOLTAGE DROP (0.75Vmax)  
OVER FULL TEMPERATURE RANGE  
OUTPUT CURRENT UP TO 500mA  
OVERVOLTAGE AND REVERSE VOLTAGE  
PROTECTIONS  
REVERSE VOLTAGEPROTECTION  
SHORT CIRCUIT PROTECTION AND THER-  
MAL SHUT-DOWN (with hysteresis)  
LOW START UP CURRENT  
TO220  
ORDERING NUMBER: L4945  
DESCRIPTION  
The L4945 is a monolithic integrated circuit in  
Versawatt package specially designed to provide  
a stabilized supply voltage for automotive and in-  
dustrial electronic systems. Thanks to their very  
low voltage drop, in automotive applications the  
devices can work correctly even during the crank-  
ing phase, when the battery voltage could fall as  
low as 6V. Furthermore, they incorporate a com-  
plete range of protection circuits against the dan-  
gerous overvoltages always present on the bat-  
tery rail of the car.  
BLOCK DIAGRAM  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  
March 1999  
1/6  

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