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參數(shù)資料
| 型號(hào)： | AS23xx |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Secondary Side Housekeeping Circuit |
| 中文描述： | 二次側(cè)管家電路 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大小： | 60K |
| 代理商： | AS23XX |
ASTEC Semiconductor
Description
The AS23xx is a housekeeping circuit for monitoring the outputs of power
supplies. It directly senses all the output rails without the need for external dividers
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
common timing features of PC type power supplies. In addition, negative rails may
be sensed without the necessity of a V
EE
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.
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).
AS23xx
Secondary Side Housekeeping Circuit
Pin Configuration
—
Top view
Features
Standard PC Power Good:
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
2.5V Voltage Reference
Operates from 5V or 12V rail
Ordering Information
Package
Temperature Range
Order Code
16-Pin Plastic SOIC
0 to 105
°
C
AS2316D
16-Pin Plastic SOIC
0 to 105
°
C
AS2333D
16-Pin Plastic SOIC
0 to 105
°
C
AS2350D
16-Pin Plastic DIP
0 to 105
°
C
AS2316N
16-Pin Plastic DIP
0 to 105
°
C
AS2333N
16-Pin Plastic DIP
0 to 105
°
C
AS2350N
91
AS2316 SOIC
14
1
V
CC
FAULT
13
2
+12V
V
REF
12
3
+5V
UVB
11
4
+3.3V
DELAY
10
5
-5V
POK
9
6
-12V
PGCAP
8
7
GND
AC
16
15
HYST
OFF
14
1
V
CC
CBD
13
2
+12V
FAULT
12
3
+5V
V
REF
11
4
+3.3V
UVB
10
5
-12V
DELAY
9
6
GND
POK
8
7
HYST
PGCAP
16
15
OFF
AC
14
1
V
CC
CBD
13
2
+12V
FAULT
12
3
+5V
V
REF
11
4
-5V
UVB
10
5
-12V
DELAY
9
6
GND
POK
8
7
HYST
PGCAP
16
15
OFF
AC
14
1
V
CC
FAULT
13
2
+12V
V
REF
12
3
+5V
UVB
11
4
+3.3V
DELAY
10
5
-5V
POK
9
6
-12V
PGCAP
8
7
GND
AC
16
15
HYST
OFF
14
1
V
CC
CBD
13
2
+12V
FAULT
12
3
+5V
V
REF
11
4
+3.3V
UVB
10
5
-12V
DELAY
9
6
GND
POK
8
7
HYST
PGCAP
16
15
OFF
AC
14
1
V
CC
CBD
13
2
+12V
FAULT
12
3
+5V
V
REF
11
4
-5V
UVB
10
5
-12V
DELAY
9
6
GND
POK
8
7
HYST
PGCAP
16
15
OFF
AC
AS2316 PDIP
AS2333 SOIC
AS2333 PDIP
AS2350 SOIC
AS2350 PDIP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2316 | Secondary Side Housekeeping Circuit |
| AS2316N | Secondary Side Housekeeping Circuit |
| AS2333 | Secondary Side Housekeeping Circuit |
| AS2333D | Secondary Side Housekeeping Circuit |
| AS2333N | Secondary Side Housekeeping Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS-24.000000MHZ-20-FUND | 制造商:Raltron Electronics Corporation 功能描述: |
| AS-24.000-12-F-SP | 制造商:Raltron Electronics Corporation 功能描述:CRYSTAL,24MHZ,12PF,SMD,HC-49/US |
| AS-24.000-12-SMD-H27-TR | 制造商:Raltron Electronics Corporation 功能描述:AS Series 24MHZ 10.3x2.7mm 12PF -20C to +70C 30PPM SMD XTAL |
| AS-24.000-12-SMD-H35-TR | 制造商:Raltron Electronics Corporation 功能描述:AS Series 24MHZ 10.3x3.5mm 12PF -20C to +70C 30PPM SMD XTAL |
| AS-24.000-18 | 制造商:Raltron Electronics Corporation 功能描述:AS Series 24 MHz 20 ppm 18 pF -20 to +70 C Microprocessor Crystal |
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