SGS Thomson Microelectronics GS2TX-9 Datasheet
GS2TX-9
2 W LAN DC-DC CONVERTER
Type V
GS2TX-9 4,5 to 15,75 V 9 V 250 mA
in
V
out
I
out
DESCRIPTION
The GS2TX-9 is a 2.25W unregulated DC-DC converter designed 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 CHARACT ERISTICS (T
Symbol Parameter Test Conditions Min Typ Max Unit
V
I
l
V
V
V
δV
δV
I
V
T
T
Input Voltage Vo= 9V Io= 0 to 250mA
i
Input Reflected
ir
Current
Input Reflected
ir
Current
Output Voltage Vi= 4.5 to 15.75V
o
Output Ripple
or
Voltage
Output Ripple
or
Voltage
Line Regulation Vi= 4.75 to 5.5V Io= 250mA
o
Load Regulation Vi= 4.5 to 15.75V Io= 20 to 250mA
o
Output Current* Vi= 4.5 to 15.75V Vo = -9V
o
Isolation Voltage
is
Efficiency Vi= 5V Io= 250mA
η
Efficiency Vi= 12V Io= 250mA
η
Operating Ambient
op
Temperature Range
Storage Temperature
stg
Range
= 25° C unless otherwise specified)
amb.
Vi= 5V
Vo= -9V Io = 250mA
Vi = 12V
Vo = -9V Io = 250mA
Io= 0 to 250mA
Vi= 5V Io= 250mA
Vi= 12V Io= 250mA
4.5 15.75 V
25 30 mApp
2 5 mApp
-8.55 -9.00 -9.45 V
5mV
5mV
0 250 mA
2500 Vdc
70 73 %
75 80 %
0
-40
710mVrms
2 5 mVrms
+70 °C
+85 °C
* When the input voltage is <5V an d the output current is les s than 20mA, the out put ripple voltage increases due to disconti nuous operation.
December 1993 1/2
GS2TX-9
CONNECTION DIAG RAM AND MECHANI CAL DATA
Package B. Dimensions in mm.
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems wit hout express
written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMP ANIES
2/2
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