GS2T12-9 데이터 시트보기 (PDF) - STMicroelectronics
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GS2T12-9 Datasheet PDF : 2 Pages
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GS2T12-9
2W LAN DC-DC CONVERTER
Type
GS2T12-9
Vi
12 V
Vo
–9V
Io
– 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.
Product(s) ELECTRICAL CHARACTERISTICS (Tamb.= 25° C unless otherwise specified)
lete Symbol
o Vi
bs Iir
O Vo
Parameter
Input Voltage
Reflected Input
Current
Output Voltage
t(s) - Vor
c Von
rodu δVOL
δVOO
P Io
te Vis
le η
so Top
ObTstg
Output Ripple
Voltage
Output Noise
Voltage
Line Regulation
Load Regulation
Output Current
Isolation Voltage
Efficiency
Operating Ambient
Temperature Range
Storage Temperature
Test Conditions
Vo = -9V
Io = – 70 to – 250mA
Vi = 11.28 to 15.75V
Io = – 250mA
Vo = – 9V
Vi = 11.28 to 15.75V
Io = – 70 to – 250mA
Vi = 11.28 to 15.75V Io = – 250mA
Min
11.28
Typ
12.00
Max
15.75
100
Unit
V
mApp
– 8.55 – 9.00 – 9.45 V
50 mVRMS
Vi = 11.28 to 15.75V Io = – 250mA
75 mVpp
Vi = 11.28 to 15.75V Io = – 250mA
Vi = 12V
Io = – 70 to – 250mA
Vi = 11.28 to 15.75V Vo = – 9V
70
Input to Output
2500
Vi = 11.28 to 15.75V Io = – 250mA
70
71
0
5
mV
5
mV
250 mA
VDC
%
+70 °C
– 40
+85 °C
Range
June 1994
1/2
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