GS2T12-9A
2 W LAN DC-DC CONVERTER
Type
GS2T12-9A
V
in
9,5 to 15,7 V
V
out
9V
I
out
250 mA
DESCRIPTION
The GS2T12-9A is a 2.25W unregulated DC-DC
converter designed to provide power, voltage regu-
lation and isolation for Local Area Network
(CHEAPERNET and ETHERNET) transceivers
from a wide range of input voltage, according to
IEEE 802.3 Standard.
ELECTRICAL CHARACTERISTICS
(T
amb.
= 25擄 C unless otherwise specified)
Symbol
Vi
Iir
Vo
Vor
未V
o
未V
o
Io
Vis
畏
Top
Tstg
Parameter
Input Voltage
Input Reflected
Current
Output Voltage
Output Ripple Voltage
Line Regulation
Load Regulation
Output Current
Isolation Voltage
Efficiency
Operating Ambient
Temperature Range
Storage Temperature
Range
Vi= 9.50V to 15.75V
Io= 250mA
Vo= -9V
Test Conditions
Io= 0 to 250mA
Min
9.50
2
-8.55
Io = 250mA
Io= 250mA
Io= 0 to 250mA
Vo = -9V
0
2500
75
0
-40
80
+70
+85
-9.00
2
Typ
Max
15.75
5
-9.45
5
5
5
250
Unit
V
mApp
V
mVrms
mV
mV
mA
Vdc
%
擄C
擄C
Vi= 9.50 to 15.75V
Vo= -9V
Io= 250mA
Vi= 9.50 to 15.75V
Io = 0 to 250mA
Vi= 9.50 to 15.75 V
Vi= 9.50 to 15.75V
Vi= 12V
Vi= 9.50 to 15.75V
December 1993
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