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L4938EDP PDF预览

L4938EDP

更新时间: 2024-09-26 20:55:07
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 光电二极管输出元件调节器
页数 文件大小 规格书
12页 101K
描述
DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO20

L4938EDP 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.7最大输入电压:28 V
最小输入电压:5 VJESD-30 代码:R-PDSO-G20
功能数量:1输出次数:2
端子数量:20工作温度TJ-Max:150 °C
工作温度TJ-Min:-40 °C最大输出电流 1:0.1 A
最大输出电流 2:0.4 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
标称输出电压 2:5 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
调节器类型:FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR表面贴装:YES
端子形式:GULL WING端子位置:DUAL
Base Number Matches:1

L4938EDP 数据手册

 浏览型号L4938EDP的Datasheet PDF文件第2页浏览型号L4938EDP的Datasheet PDF文件第3页浏览型号L4938EDP的Datasheet PDF文件第4页浏览型号L4938EDP的Datasheet PDF文件第5页浏览型号L4938EDP的Datasheet PDF文件第6页浏览型号L4938EDP的Datasheet PDF文件第7页 
L4938E/ED  
L4938EPD  
ADVANCED VOLTAGE REGULATOR  
ENABLE AND SENSE INPUTS (EN, SI) PRO-  
TECTED AGAINST NEGATIVE TRANSIENTS  
DOWN TO -5V  
RESET THRESHOLD ADJUSTABLE FROM  
3.8 TO 4.7V  
EXTREMELY LOW QUIESCENT CURRENT,  
65µA (LESS THAN 90µA) IN STANDBY  
MODE  
DIP (12+2+2)  
SO20 (12+4+4)  
PowerSO20  
OPERATING DC SUPPLY VOLTAGE RANGE  
5V - 28V  
OPERATING TRANSIENT SUPPLY VOLT-  
AGE UP TO 40V  
HIGH PRECISION STANDBY OUTPUT VOLT-  
AGE 5V ± 1% WITH 100mA CURRENT CA-  
PABILITY  
ORDERING NUMBERS:  
L4938E (DIP)  
L4938ED (SO)  
L4938EPD (PSO)  
OUTPUT 2 VOLTAGE 5V 2% WITH 400mA  
±
CURRENT CAPABILITY (ADJ WIRED TO  
DESCRIPTION  
VOUT2  
)
The L4938E/ED/EPD is a monolithic integrated  
dual voltage regulator with two very low dropout  
outputs and additional functions as power-on re-  
set and input voltage sense. It is designed for  
supplying the microcomputer controlled systems  
especiallyin automotiveapplications.  
OUTPUT 2 VOLTAGE ADJUSTABLE BY EX-  
TERNAL VOLTAGE DIVIDER  
OUTPUT  
2
DISABLE FUNCTION FOR  
STANDBY MODE  
PIN CONNECTIONS  
PR  
CT  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
SI  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
GND  
N.C.  
GND  
N.C.  
VS2  
VS1  
SI  
PR  
CT  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
SI  
VS1  
VS1  
VS2  
GND  
GND  
N.C.  
OUT2  
ADJ  
EN  
VS2  
OUT2  
ADJ  
EN  
GND  
GND  
GND  
GND  
RES  
SO  
GND  
GND  
GND  
GND  
N.C.  
OUT2  
ADJ  
GND  
GND  
RES  
SO  
OUT1  
SO  
PR  
CT  
RESET  
N.C.  
EN  
N.C.  
GND  
N.C.  
OUT1  
OUT1  
GND  
D94AT075A  
D94AT076A  
L4938EPD  
DIP (12+2+2)  
SO (12+4+4)  
PowerSO20  
1/12  
February 1999  

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