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L4938E PDF预览

L4938E

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调节器电源电路光电二极管输出元件
页数 文件大小 规格书
12页 104K
描述
ADVANCED VOLTAGE REGULATOR

L4938E 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP-16
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.68Is Samacsys:N
可调性:FIXED/ADJUSTABLE最大回动电压 1:0.4 V
标称回动电压 1:0.6 V最大回动电压 2:0.6 V
最大绝对输入电压:28 VJESD-30 代码:R-PDIP-T16
JESD-609代码:e0最大电网调整率:0.02%
最大负载调整率:0.05%功能数量:1
输出次数:2端子数量:16
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 1:5.1 V最小输出电压 1:4.9 V
标称输出电压 1:5 V最大输出电压 2:27 V
最小输出电压 2:5 V封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:FIXED/ADJUSTABLE POSITIVE MULTIPLE OUTPUT LDO REGULATOR座面最大高度:5.1 mm
子类别:Other Regulators表面贴装:NO
技术:BIPOLAR端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
最大电压容差:4%宽度:7.62 mm
Base Number Matches:1

L4938E 数据手册

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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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