SGS Thomson Microelectronics GS2T5-9 Datasheet

GS2T5-9

2 W LAN DC-DC CONVERTER

Type V

GS2T5-9 5 V 9 V 250 mA

in

V

out

I

out

DESCRIPTION

The GS2T5-9 is a 2. 25W unregulated DC- DC co n­verter designed to provide power, voltage regula­tion and isolation for Local Area Network
(CHEAPERNET and ETHERNET) transceivers
from a standard 5V input voltage, according to IEEE

802.3 Standard.

ELECTRICAL CHARACT ERISTICS (T

Symbol Parameter Test Conditions Min Typ Max Unit

V
I

V

V

δV
δV

I

V

T

T

* Note: when output current is less than 20mA, the output ripple voltage increases due to discontinuous operation.

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

i

Input Reflected

ir

Current
Output Voltage Vi= 4.5 to 5.5V Io= 0 to 250mA

o

Output Ripple Voltage Vi= 5V Io = 250mA

or

Line Regulation Vi = 4.5 to 5.5 Io = 250mA

o

Load Regulation Vi = 5V Io = 20 to 250mA

o

Output Current* Vi = 4.5 to 5.5V Vo = -9V

o

Isolation Voltage

is

Efficiency Vi= 5V Io= 250mA

η

Operating

op

Temperature Range
Storage Temperature

stg

Range

= 25° C unless otherwise specified)

amb.

Vi= 5V
Vo = -9V Io = 250mA

4.5 5 5.5 V
25 30 mApp

-8.55 -9.00 -9.45 V
710mVrms

5mV
5mV

0 250 mA

2500 Vdc

70 73 %

0

-40

+70 °C

+85 °C

December 1993 1/2

GS2T5-9

CONNECTION DIAG RAM AND MECHANI CAL DATA

Package B. Dimensions in 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 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

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