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| GS2TX-9A 2 W LAN DC-DC CONVERTER Type GS2TX-9A Vi 4,5 to 15,75 V Vo -9V Io - 250 mA DESCRIPTION The GS2TX-9A 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. An internal network is added to guarantee soft start at switch-on. ELECTRICAL CHARACTERISTICS (Tamb.= 25 C unless otherwise specified) Symbol Vi Iir lir Vo Vor Vor VOL VOO Io Vis Top Tstg Parameter Input Voltage Input Reflected Current Input Reflected Current Output Voltage Output Ripple Voltage Output Ripple Voltage Line Regulation Load Regulation Output Current* Isolation Voltage Efficiency Efficiency Operating Ambient Temperature Range Storage Temperature Range Vi = 5V Vi = 12V Io = - 250mA Io = - 250mA Vo = 9V Vi = 5V Vo = - 9V Vi = 12V Vo = - 9V Vi = 4.5 to 15.75V Io = 0 to - 250mA Vi = 5V Vi = 12V Vi = 4.5 to 5.5V Vi = 4.5 to 15.75V Vi = 4.5 to 15.75V Io = - 250mA Io = - 250mA Io = - 250mA Io = - 20 to - 250mA Vo = - 9V 0 2500 70 75 0 - 40 73 80 +70 +85 Test Conditions Io = 0 to - 250mA Io = - 250mA Io = - 250mA - 8.55 2 - 9.00 7 2 5 - 9.45 10 5 5 5 - 250 mApp V mVRMS mVRMS mV mV mA VDC % % C C Min 4.5 25 Typ Max 15.75 30 Unit V mApp * When the input voltage is <5V and the output current is less than 20mA, the output ripple voltage increases due to discontinuous operation. April 1997 1/2 GS2TX-9A CONNECTION DIAGRAM AND MECHANICAL DATA 11.5 4.5 (0.453) (0.177) 33 (1.30) 5.08 (0.20) Bottom view 1 3 4 2 5 33 (1.30) 20.32 (0.80) 12.7 (0.50) 20.32 (0.80) 1 (0.08) Pin configuration: 1 + Vin 2 - Vin 3 NC 4 + Vout 5 - Vout Package A. 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. (c) 1997 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - 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 |
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