GS2T12-9S 2 W LAN DC-DC CONVERTER Type GS2T12-9S Vin Vout Iout 9,5 to 15,75 V 9V 250 mA DESCRIPTION The GS2T12-9S 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. Enable function, active high, is available with CMOS/TTL logic operation compatibility. ELECTRICAL CHARACTERISTICS (Tamb.= 25° C unless otherwise specified) Symbol Parameter Test Conditions Vi Input Voltage Vo= -9V Io= 0 to 250mA Vir Input Ripple Vi = 12V Io = 250mA Iir Reflected Input Current Vi= 12V Io= 250mA lien Enable Input Current Vi = 9.50 to 15.75V Vo Output Voltage Vi= 9.50 to 15.75V Io = 0 to 250mA Vor Output Ripple Voltage Vi= 12V Vis Isolation Voltage Input to Output Efficiency Vi= 12V η Min Typ Max Unit 9.50 12 15.75 V 45 75 mVpp 10 20 mApp 0.2 mA -9.00 -9.45 V 30 70 mVpp -8.55 Io = 250mA 2500 Io= 250mA 68 Vdc 71 % Top Operating Ambient Temperature Range 0 +70 °C Tstg Storage Temperature Range -40 +85 °C December 1993 1/2 GS2T12-9S CONNECTION DIAGRAM AND MECHANICAL 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 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. 2/2