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GS2TX-9A 数据表(PDF) 1 Page - STMicroelectronics |
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GS2TX-9A 数据表(HTML) 1 Page - STMicroelectronics |
1 / 2 page GS2TX-9A 2 W LAN DC-DC CONVERTER April 1997 1/2 Type Vi Vo Io GS2TX-9A 4,5 to 15,75 V – 9 V – 250 mA DESCRIPTION The GS2TX-9A is a 2.25W unregulated DC-DC converter designed to provide power, voltage regu- lation 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 Parameter Test Conditions Min Typ Max Unit Vi Input Voltage Vo = 9V Io = 0 to – 250mA 4.5 15.75 V Iir Input Reflected Current Vi = 5V Vo = – 9V Io = – 250mA 25 30 mApp lir Input Reflected Current Vi = 12V Vo = – 9V Io = – 250mA 2 5 mApp Vo Output Voltage Vi = 4.5 to 15.75V Io = 0 to – 250mA – 8.55 – 9.00 – 9.45 V Vor Output Ripple Voltage Vi = 5V Io = – 250mA 710 mVRMS Vor Output Ripple Voltage Vi = 12V Io = – 250mA 25 mVRMS δVOL Line Regulation Vi = 4.5 to 5.5V Io = – 250mA 5mV δVOO Load Regulation Vi = 4.5 to 15.75V Io = – 20 to – 250mA 5mV Io Output Current* Vi = 4.5 to 15.75V Vo = – 9V 0 – 250 mA Vis Isolation Voltage 2500 VDC η Efficiency Vi = 5V Io = – 250mA 70 73 % η Efficiency Vi = 12V Io = – 250mA 75 80 % Top Operating Ambient Temperature Range 0 +70 °C Tstg Storage Temperature Range – 40 +85 °C * When the input voltage is <5V and the output current is less than 20mA, the output ripple voltage increases due to discontinuous operation. |
类似零件编号 - GS2TX-9A |
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类似说明 - GS2TX-9A |
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