SGS Thomson Microelectronics GS2T12-9S Datasheet
GS2T12-9S
2 W LAN DC-DC CONVERTER
Type V
GS2T12-9S 9,5 to 15,75 V 9 V 250 mA
in
V
out
I
out
DESCRIPTION
The GS2T12-9S is a 2.25W unregulated DC-DC
converterdesignedto providepower,voltageregulation and isolation f or Lo cal Area Network
(CHEAPERNET and ETHERNET) transceivers
from a wide range of input voltage, according to
IEEE802.3 Standard.
Enable function, active high, is available with
CMOS/TTLlogic operation compatibility.
ELECTRICALCHARACTERISTICS (T
Symbol Parameter Test Conditions Min Typ Max Unit
V
V
l
ien
V
V
V
T
T
Input Voltage Vo= -9V Io= 0 to 250mA
i
Input Ripple Vi= 12V Io= 250mA
ir
Reflected Input
I
ir
Current
Enable Input Current Vi= 9.50 to 15.75V
o
Output Voltage
Output Ripple Voltage Vi= 12V Io= 250mA
or
Isolation Voltage Input to Output
is
Efficiency Vi= 12V Io= 250mA
η
Operating Ambient
op
Temperature Range
Storage Temperature
stg
Range
=25°Cunlessotherwise specified)
amb.
Vi= 12V Io= 250mA
Vi= 9.50 to 15.75V
Io= 0 to 250mA
9.50 12 15.75 V
45 75 mVpp
10 20 mApp
0.2 mA
-8.55 -9.00 -9.45 V
30 70 mVpp
2500 Vdc
68 71 %
0 +70 °C
-40 +85 °C
December 1993 1/2
GS2T12-9S
CONNECTIONDIAGRAM AND MECHANICAL DATA
PackageB. Dimensionsin mm (inches)
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such informationnor for any infringement of patents or other rights of third parties whichmay result from its use.No
license is granted by implication or otherwise under any patent or patentrights ofSGS-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 notauthorizedfor use ascritical components inlifesupport devices or systems without express
written approval ofSGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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