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L4947H PDF预览

L4947H

更新时间: 2024-09-26 21:17:47
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 局域网输出元件调节器
页数 文件大小 规格书
6页 277K
描述
5V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PZFM5, ROHS COMPLIANT, PENTAWATT-5

L4947H 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:ZFM
包装说明:PENTAWATT-5针数:5
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
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-PZFM-T5最大电网调整率:0.05%
最大负载调整率:0.06%功能数量:1
输出次数:1端子数量:5
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最高工作温度:125 °C最低工作温度:-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封装代码:ZIP
封装等效代码:ZIP5H,.15,.7,67TB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端子形式:THROUGH-HOLE
端子节距:1.7 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIED最大电压容差:2%
Base Number Matches:1

L4947H 数据手册

 浏览型号L4947H的Datasheet PDF文件第2页浏览型号L4947H的Datasheet PDF文件第3页浏览型号L4947H的Datasheet PDF文件第4页浏览型号L4947H的Datasheet PDF文件第5页浏览型号L4947H的Datasheet PDF文件第6页 
L4947  
L4947R  
®
5V-0.5A VERY LOW DROP REGULATOR WITH RESET  
PRECISE OUTPUT VOLTAGE (5V ± 4%)  
OVER FULL TEMPERATURE RANGE  
(– 40 / 125 °C)  
VERY LOW VOLTAGE DROP (0.75Vmax)  
OVER FULL T RANGE  
OUTPUT CURRENT UP TO 500mA  
RESET FUNCTION  
POWER-ON RESET DELAY PULSE DE-  
FINED BY THE EXTERNAL CAPACITOR  
+ 80V LOAD DUMP PROTECTION  
– 80V LOAD DUMP PROTECTION  
REVERSE VOLTAGE PROTECTION  
SHORT CIRCUIT PROTECTION AND THER-  
MAL SHUT-DOWN (with hysteresis)  
Pentawatt  
ORDERING NUMBERS:  
L4947  
L4947R  
LOW START UP CURRENT  
could fall as low as 6V. Furthermore, it incorpo-  
rates a complete range of protection circuits  
against the dangerous overvoltages always pre-  
sent on the battery rail of the car. The reset func-  
tion makes the device particularly suited to supply  
microprocessor based systems : a signal is avail-  
able (after an externally programmable delay) to  
reset the microprocessor at power-on phase ; at  
power-off, this signal becomes low inhibiting the  
microprocessor.  
DESCRIPTION  
The L4947/L4947R is a monolithic integrated cir-  
cuit in Pentawatt package specially designed to  
provide a stabilized supply voltage for automotive  
and industrial electronic systems. Thanks to its  
very low voltage drop, in automotive applications  
the L4947/L4947R can work correctly even during  
the cranking phase, when the battery voltage  
BLOCK DIAGRAM  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  
June 2000  
1/6  

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