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AS2333N

更新时间： 2024-11-06 22:05:51
品牌 Logo 应用领域
其他 - ETC 光电二极管
页数 文件大小 规格书
10页 64K
描述
Secondary Side Housekeeping Circuit

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中文翻译

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AS2333N 数据手册

 浏览型号AS2333N的Datasheet PDF文件第2页浏览型号AS2333N的Datasheet PDF文件第3页浏览型号AS2333N的Datasheet PDF文件第4页浏览型号AS2333N的Datasheet PDF文件第5页浏览型号AS2333N的Datasheet PDF文件第6页浏览型号AS2333N的Datasheet PDF文件第7页 
AS23xx  
Secondary Side Housekeeping Circuit  
Fea tures  
Descrip tion  
Standard PC Power Good:  
•
The AS23xx is a housekeeping circuit for monitoring the outputs of power  
supplies. Itdirectlysensesalltheoutputrailswithouttheneedforexternaldividers  
and detects undervoltage and overvoltage. It also provides an additional  
undervoltage comparator which may be configured with any arbitrary hysteresis  
to sense a divided down representation of the AC bulk voltage. The housekeeping  
section provides all the features necessary to allow external caps to set the  
commontimingfeaturesofPCtypepowersupplies. Inaddition, negativerailsmay  
be sensed without the necessity of a VEE connection, and negative sensing may  
be disabled without affecting operation of the positive sense section. The 2.5 V  
series reference is available and can source up to 5 mA. This IC is available in  
16 lead packages. Outputs include a POK (Power OK) and a fault signal.  
UV Detection on 4 rails  
UV Detection of AC/Bulk supply  
OV Detection on 4 rails  
Open collector PG out  
Pogrammable Fault output:  
OV  
•
OV plus UV  
OV plus UV after startup delay  
OV Crow Bar Driver  
•
•
•
•
Digital ON/OFF input  
The AS2333 includes sensing for ±12 V, 5 V, and 3.3V. The AS2350 exchanges  
a -5 V sense capability for the 3.3 V input. The AS2316 monitors all supply  
voltages, but lacks CBD (Crow-Bar Driver).  
2.5V Voltage Reference  
Operates from 5V or 12V rail  
Pin Config ura tion  
—
Top view  
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 CBD  
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 FAULT  
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 CBD  
15 FAULT  
14 VREF  
15 VREF  
15 FAULT  
14 VREF  
14 UVB  
+3.3V  
-12V  
GND  
HYST  
OFF  
13 UVB  
+3.3V  
-5V  
13 DELAY  
12 POK  
11 PGCAP  
10 AC  
-5V  
13 UVB  
12 DELAY  
11 POK  
-12V  
GND  
HYST  
OFF  
12 DELAY  
11 POK  
-12V  
GND  
HYST  
10 PGCAP  
10 PGCAP  
AC  
OFF  
AC  
9
9
9
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 FAULT  
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 CBD  
VCC  
+12V  
+5V  
1
2
3
4
5
6
7
8
16 CBD  
AS2316 SOIC  
AS2333 SOIC  
AS2350 SOIC  
15 VREF  
14 UVB  
13 DELAY  
12 POK  
11 PGCAP  
10 AC  
15 FAULT  
14 VREF  
15 FAULT  
14 VREF  
+3.3V  
-5V  
+3.3V  
-12V  
GND  
HYST  
OFF  
13 UVB  
-5V  
13 UVB  
12 DELAY  
11 POK  
-12V  
GND  
HYST  
OFF  
12 DELAY  
11 POK  
-12V  
GND  
HYST  
10 PGCAP  
10 PGCAP  
OFF  
9
AC  
AC  
9
9
AS2333 PDIP  
AS2350 PDIP  
AS2316 PDIP  
Ord ering Inform a tion  
Package  
Temperature Range  
Order Code  
16-Pin Plastic SOIC  
16-Pin Plastic SOIC  
16-Pin Plastic SOIC  
16-Pin Plastic DIP  
16-Pin Plastic DIP  
16-Pin Plastic DIP  
0 to 105° C  
0 to 105° C  
0 to 105° C  
0 to 105° C  
0 to 105° C  
0 to 105° C  
AS2316D  
AS2333D  
AS2350D  
AS2316N  
AS2333N  
AS2350N  
© ASTEC Semiconductor  
91  
1234567...10

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