GS2T12-9
2W LAN DC-DC CONVERTER
Type
GS2T12-9
V
i
12 V
V
o
鈥?V
Io
鈥?250 mA
DESCRIPTION
The GS2T12-9 is a 2.25W DC-DC converter de-
signed to provide power, voltage regulation 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
Von
未V
OL
未V
OO
Io
Vis
畏
Top
Tstg
Parameter
Input Voltage
Reflected Input
Current
Output Voltage
Output Ripple
Voltage
Output Noise
Voltage
Line Regulation
Load Regulation
Output Current
Isolation Voltage
Efficiency
Operating Ambient
Temperature Range
Storage Temperature
Range
Vo = -9V
Test Conditions
Io = 鈥?70 to 鈥?250mA
Min
11.28
Typ
12.00
Max
15.75
100
鈥?8.55
鈥?9.00
鈥?9.45
50
75
5
5
70
2500
70
0
鈥?40
71
+70
+85
250
Unit
V
mApp
V
mV
RMS
mVpp
mV
mV
mA
V
DC
%
擄C
擄C
Vi = 11.28 to 15.75V
Io = 鈥?250mA
Vo = 鈥?9V
Vi = 11.28 to 15.75V
Io = 鈥?70 to 鈥?250mA
Vi = 11.28 to 15.75V Io = 鈥?250mA
Vi = 11.28 to 15.75V Io = 鈥?250mA
Vi = 11.28 to 15.75V Io = 鈥?250mA
Vi = 12V
Input to Output
Vi = 11.28 to 15.75V Io = 鈥?250mA
Io = 鈥?70 to 鈥?250mA
Vi = 11.28 to 15.75V Vo = 鈥?9V
June 1994
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