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PDF AS2333F Data sheet ( Hoja de datos )
| Número de pieza | AS2333F | |
| Descripción | Secondary Side Housekeeping Chips | |
| Fabricantes | Astec | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AS2333F (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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AS2316F
AS2333F
Secondary Side Housekeeping
Chips
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 VEE connection,
and negative sensing may be disabled without affecting operation of the
positive sense section. This IC is available in 16 lead packages. Outputs
include a POK (Power OK) and a fault signal.
The AS2316F includes sensing for +/- 12 V, +/- 5 V, and 3.3 V. The
AS2333F exchanges a Crow-Bar Driver output for the -5 V input.
PINOUT
VCC FAULT
+12V
+5V
+3.3V
VREF
UVB
DELAY
-5V
-12V
POK
PGCAP
GND
AC
HYST
OFF
AS2316F
AS2316F
16L PDIP
16L SOIC
ORDERING INFORMATION
Product
AS2316F
AS2316F
AS2333F
AS2333F
Temperature Range
0 to 105 °C
0 to 105 °C
0 to 105 °C
0 to 105 °C
VCC
CBD
+12V FAULT
+5V VREF
+3.3V
UVB
-12V DELAY
GND
POK
HYST PGCAP
OFF
AC
AS2333F
AS2333F
16L PDIP
16L SOIC
Package
16-Pin Plastic SOIC
16-Pin Plastic DIP
16-Pin Plastic SOIC
16-Pin Plastic DIP
Part No.
AS2316-16*D-F-000
AS2316-16*N-F-000
AS2333-16*D-F-000
AS2333-16*N-F-000
1 page  
+12V
5
+12V Undervoltage
+12V Overvoltage
+12V Input Current
UV
OV
IB V+12= 12.0 V
-5V
-5V Undervoltage
-5V Overvoltage
-5V Input Current
-5V Disable Voltage
UV
OV
IB V-5= -5.0 V
VD Min voltage to disable
comparator*
-12V
-12V Undervoltage
-12V Overvoltage
-12V Input Current
-12V Disable Voltage
UV
OV
IB V-12= -12.0 V
VD Min voltage to disable
comparator*
*Leaving these pins open circuit will also disable the comparators.
AC/HYST
AC Undervoltage
AC Input Current
HYST High State
Leakage
HYST Output Current
HYST Low Voltage
UV Tj= 25 °C
IB
IL VHYST= 5 V; AC> 2.5 V
IOL
VOL
VHYST= 0.3V; AC< 2.5 V
IHYST = 1 mA; AC< 2.5 V
AS23xxF
10.25 10.50 10.60
14.53 14.90 15.27
0.8 1.5
V
V
mA
-3.80 -4.00 -4.20
-6.00 -6.25 -6.55
-80 -150
2.3 2.4
V
V
µA
V
-9.20 -9.55 -9.8 V
-14.55 -15.04 -15.60 V
-100 -200 µA
2.0 2.2 V
2.460 2.520 2.540
-0.5 -1
0.01 1
V
µA
µA
13
mA
0.3 V
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AS2333F.PDF ] | |
Hoja de datos destacado
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