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L4938N PDF预览

L4938N

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 95K
描述
DUAL MULTIFUNCTION VOLTAGE REGULATOR

L4938N 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:5.67Is Samacsys:N
可调性:FIXED/ADJUSTABLE标称回动电压 1:0.6 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:-55 °C
最大输出电流 1:0.5 A标称输出电压 1:5 V
最大输出电压 2:20 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 (Sn/Pb)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:2%
宽度:7.62 mmBase Number Matches:1

L4938N 数据手册

 浏览型号L4938N的Datasheet PDF文件第2页浏览型号L4938N的Datasheet PDF文件第3页浏览型号L4938N的Datasheet PDF文件第4页浏览型号L4938N的Datasheet PDF文件第5页浏览型号L4938N的Datasheet PDF文件第6页浏览型号L4938N的Datasheet PDF文件第7页 
L4938N/ND  
L4938NPD  
DUAL MULTIFUNCTION VOLTAGE REGULATOR  
.
.
.
.
.
STANDBYOUTPUTVOLTAGEPRECISION5V  
± 2%  
OUTPUT2TRACKEDTOTHESTANDBYOUT-  
PUT  
OUTPUT  
2
DISABLE FUNCTION FOR  
STANDBYMODE  
VERY LOW QUIESCENT CURRENT, LESS  
THAN 250µA, IN STANDBY MODE  
OUTPUT 2 VOLTAGESETTABLE FROM 5 TO  
20V  
OUTPUT CURRENTS : I01 = 50mA,I02 =500mA  
VERY LOW DROPOUT (max 0.4V/0.6V)  
OPERATINGTRANSIENT SUPPLY VOLTAGE  
UP TO 40V  
POWER-ON RESET CIRCUIT SENSING THE  
STANDBYOUTPUT VOLTAGE  
POWER-ON RESET DELAY PULSE DEFINED  
BY THE EXTERNAL CAPACITOR  
EARLYWARNINGOUTPUT FOR SUPPLYUN-  
DERVOLTAGE  
PowerDIP  
(12+2+2)  
SO20  
(12+4+4)  
PowerSO20  
ORDERING NUMBERS: L4938N (PDIP)  
L4938ND (SO)  
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.
.
L4938NPD (PSO20)  
.
.
.
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DESCRIPTION  
The L4938Nis a monolithicintegrateddual voltage  
regulatorswithtwoverylowdropoutoutputsandad-  
ditionalfunctions such as power-onresetand input  
voltagesense. Theyare designedfor supplyingmi-  
crocomputer controlled systems specially in auto-  
motive applications.  
THERMALSHUTDOWNAND SHORTCIRCUIT  
PROTECTIONS  
(top view)  
PIN CONNECTION  
POWERDIP  
SO20  
PowerSO20  
N.C.  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
SI  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
GND  
N.C.  
VO2  
GND  
N.C.  
VS2  
VS1  
SI  
N.C.  
CT  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
SI  
C7  
EN  
VS1  
VS1  
VS2  
GND  
GND  
VO2  
VO2  
ADJ  
VS2  
3
EN  
GND  
GND  
GND  
GND  
RES  
SO  
GND  
GND  
GND  
GND  
VO2  
VO2  
ADJ  
ADJ  
VO1  
4
GND  
GND  
RES  
SO  
5
N.C.  
CT  
6
SO  
7
RESET  
N.C.  
N.C.  
GND  
EN  
8
N.C.  
GND  
9
VO1  
VO1  
10  
D95AT156  
D93AT004  
D95AT169A  
April 1999  
1/12  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  

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