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DS3686N PDF预览

DS3686N

更新时间: 2024-11-06 04:15:15
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器继电器
页数 文件大小 规格书
6页 120K
描述
Dual Positive Voltage Relay Driver

DS3686N 数据手册

 浏览型号DS3686N的Datasheet PDF文件第2页浏览型号DS3686N的Datasheet PDF文件第3页浏览型号DS3686N的Datasheet PDF文件第4页浏览型号DS3686N的Datasheet PDF文件第5页浏览型号DS3686N的Datasheet PDF文件第6页 
April 1990  
DS3686 Dual Positive Voltage Relay Driver  
General Description  
The DS3686 is a high voltage/current positive voltage relay  
driver having many features not available in present relay  
drivers.  
levelsÐbase drive for the output transistor is obtained from  
the load in proportion to the required loading conditions.  
Typical V  
power with both outputs ‘‘ON’’ is 90 mW.  
CC  
The circuit also features output transistor protection if the  
supply is lost by forcing the output into the high imped-  
PNP inputs provide both TTL/LS compatibility and high in-  
put impedance for low input loading.  
V
CC  
ance ‘‘OFF’’ state with the same breakdown levels as when  
was applied.  
Output leakage is specified over temperature at an output  
voltage of 54V. Minimum output breakdown (ac/latch break-  
down) is specified over temperature at 5 mA. This clearly  
defines the actual breakdown of the device since the circuit  
has incorporated in it an internal reference which does not  
allow output breakdown latching found in existing relay driv-  
ers. Additionally, this internal reference circuit feature will  
eliminate the need in most cases of an external clamping  
(inductive transient voltage protection) diode. When the out-  
put is turned ‘‘OFF’’ by input logic conditions the resulting  
inductive voltage transient seen at the output is detected by  
an internal zener reference. The reference then momentari-  
ly activates the output transistor long enough so that the  
relay energy is discharged. This feature eliminates the need  
of external circuit protection components and insures output  
transistor protection.  
V
CC  
Features  
Y
TTL/LS/CMOS compatible inputs  
Y
High impedance inputs (PNP’s)  
Y
High output voltage breakdown (65V typ)  
Y
High output current capability (300 mA max)  
Y
Internal protection circuit eliminates need for output  
protection diode  
Y
Output breakdown protection if V  
supply is lost  
CC  
power dissipation (90 mW (typ) both outputs  
Y
Low V  
‘‘ON’’)  
CC  
Y
Voltage and current levels compatible for use in tele-  
phone relay applications  
The outputs are Darlington connected transistors, which al-  
V
low high current operation at low internal  
current  
CC  
Connection Diagrams  
Metal Can Package  
Dual-In-Line Package  
TL/F/5822–1  
Top View  
Pin 4 is in electrical contact with the case  
TL/F/5822–2  
Order Number DS3686H  
See NS Package Number H08C  
Top View  
Order Number DS3686J-8 or DS3686N  
See NS Package Number J08A or N08E  
Truth Table  
e
Positive logic: AB  
X
A
B
Output X  
0
1
0
1
0
0
1
1
1
1
1
0
Logic ‘‘0’’ output ‘‘ON’’  
Logic ‘‘1’’ output ‘‘OFF’’  
C
1995 National Semiconductor Corporation  
TL/F/5822  
RRD-B30M105/Printed in U. S. A.  

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