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AS2350N Datasheet

  • AS2350N

  • Secondary Side Housekeeping Circuit

  • 10頁(yè)

  • ETC

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Secondary Side Housekeeping Circuit
Features
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Standard PC Power Good:
UV Detection on 4 rails
UV Detection of AC/Bulk supply
OV Detection on 4 rails
Open collector PG out
鈥?/div>
Pogrammable Fault output:
OV
OV plus UV
OV plus UV after startup delay
鈥?/div>
OV Crow Bar Driver
鈥?/div>
Digital ON/OFF input
鈥?/div>
2.5V Voltage Reference
鈥?/div>
Operates from 5V or 12V rail
AS23xx
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
鹵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).
Top view
V
CC
+12V
+5V
-5V
-12V
GND
HYST
OFF
1
2
3
4
5
6
7
8
16 CBD
15 FAULT
14 V
REF
13 UVB
12 DELAY
11 POK
10 PGCAP
9
AC
Pin Configuration
鈥?/div>
V
CC
+12V
+5V
+3.3V
-5V
-12V
GND
HYST
1
2
3
4
5
6
7
8
16 FAULT
15 V
REF
14 UVB
13 DELAY
12 POK
11 PGCAP
10 AC
9
OFF
V
CC
+12V
+5V
+3.3V
-12V
GND
HYST
OFF
1
2
3
4
5
6
7
8
16 CBD
15 FAULT
14 V
REF
13 UVB
12 DELAY
11 POK
10 PGCAP
9
AC
AS2316 SOIC
V
CC
+12V
+5V
+3.3V
-5V
-12V
GND
HYST
1
2
3
4
5
6
7
8
16 FAULT
15 V
REF
14 UVB
13 DELAY
12 POK
11 PGCAP
10 AC
9
OFF
AS2333 SOIC
V
CC
+12V
+5V
+3.3V
-12V
GND
HYST
OFF
1
2
3
4
5
6
7
8
16 CBD
15 FAULT
14 V
REF
13 UVB
12 DELAY
11 POK
10 PGCAP
9
AC
AS2350 SOIC
V
CC
+12V
+5V
-5V
-12V
GND
HYST
OFF
1
2
3
4
5
6
7
8
16 CBD
15 FAULT
14 V
REF
13 UVB
12 DELAY
11 POK
10 PGCAP
9
AC
AS2316 PDIP
AS2333 PDIP
AS2350 PDIP
Ordering Information
Package
16-Pin Plastic SOIC
16-Pin Plastic SOIC
16-Pin Plastic SOIC
16-Pin Plastic DIP
16-Pin Plastic DIP
16-Pin Plastic DIP
漏 ASTEC Semiconductor
Temperature Range
0 to 105擄 C
0 to 105擄 C
0 to 105擄 C
0 to 105擄 C
0 to 105擄 C
0 to 105擄 C
Order Code
AS2316D
AS2333D
AS2350D
AS2316N
AS2333N
AS2350N
91

AS2350N相關(guān)型號(hào)PDF文件下載

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  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC
  • 英文版
    Secondary Side Housekeeping Circuit
    ETC [ETC]

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