GS2T12-9A
2 W LAN DC-DC CONVERTER
December 1993
1/2
Type
V
in
V
out
I
out
GS2T12-9A
9,5 to 15,7 V
9 V
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
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo= -9V
Io= 0 to 250mA
9.50
15.75
V
Iir
Input Reflected
Current
Vi= 9.50 to 15.75V
Vo= -9V
Io= 250mA
2
5
mApp
Vo
Output Voltage
Vi= 9.50 to 15.75V
Io= 0 to 250mA
-8.55
-9.00
-9.45
V
Vor
Output Ripple Voltage
Vi= 9.50 to 15.75 V
Io = 250mA
2
5
mVrms
Vo
Line Regulation
Vi= 9.50 to 15.75V
Io= 250mA
5
mV
Vo
Load Regulation
Vi= 12V
Io= 0 to 250mA
5
mV
Io
Output Current
Vi= 9.50 to 15.75V
Vo = -9V
0
250
mA
Vis
Isolation Voltage
2500
Vdc
Efficiency
Vi= 9.50V to 15.75V
Io= 250mA
75
80
%
Top
Operating Ambient
Temperature Range
0
+70
C
Tstg
Storage Temperature
Range
-40
+85
C
2/2
Package B. Dimensions in mm (inches)
CONNECTION DIAGRAM AND MECHANICAL DATA
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 without express
written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
GS2T12-9A
PDF 
ZIP