SGS Thomson Microelectronics GS2T12-9A Datasheet

GS2T12-9A

2 W LAN DC-DC CONVERTER

Type V

GS2T12-9A 9,5 to 15,7 V 9 V 250 mA

in

V

out

I

out

DESCRIPTION

The GS2T12-9A 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.

ELECTRICALCHARACTERISTICS (T

Symbol Parameter Test Conditions Min Typ Max Unit

V

V

V

δV
δV

I

V

T

T

Input Voltage Vo= -9V Io= 0 to 250mA 9.50 15.75 V

i

I

Input Reflected

ir

Current
Output Voltage Vi= 9.50 to 15.75V

o

Output Ripple Voltage Vi= 9.50 to 15.75 V Io= 250mA 2 5 mVrms

or

Line Regulation Vi= 9.50 to 15.75V Io= 250mA 5 mV

o

Load Regulation Vi= 12V Io= 0 to 250mA 5 mV

o

Output Current Vi= 9.50 to 15.75V Vo= -9V 0 250 mA

o

Isolation Voltage 2500 Vdc

is

η Efficiency Vi= 9.50V to 15.75V

Operating Ambient

op

Temperature Range
Storage Temperature

stg

Range

=25°Cunless otherwise specified)

amb.

Vi= 9.50 to 15.75V
Vo= -9V Io= 250mA

Io= 0 to 250mA

Io= 250mA

2 5 mApp

-8.55 -9.00 -9.45 V

75 80 %

0 +70 °C

-40 +85 °C

December 1993 1/2

GS2T12-9A

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 information nor for any infringement of patents or other rights of thirdparties which may result from its use.No
license is granted byimplication or otherwise under any patentor 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 notauthorized for use as criticalcomponents inlife supportdevices or systems without express
written approval of SGS-THOMSON Microelectronics.

 1994 SGS-THOMSON Microelectronics – All Rights Reserved

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