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| Reliability Incorporated Product Data Sheet 2 Watt DC/DC Converters for LAN Transceiver Chips Key Features * * * * Meets FCC Section 15, Sub Part J, A and B Continuous short circuit protection with foldback on 2E models No derating to 71 C Wide input range The LAN series of DC/DC converters is designed to provide power and isolation for Local Area Network (LAN) transceiver chips. The LAN series covers both the Cheapernet and Ethernet LAN (IEEE 802.3 - 10 base 5 and 10 base 2 Standards) approach. The use of a compact and inexpensive DC/DC converter as a power source for these transceiver chips allows conversion of the normal bus power to the isolated power required. The series operates from inputs of 5 and 12 VDC for Cheapernet with input/output isolation of 500 VDC. Ethernet converters offer a wide input range of 10.20 to 15.75 VDC with 2500 VDC isolation. Reliability Incorporated also provides custom designed DC/DC Converters to meet customer specifications. Reliability Incorporated is based in Houston, Texas, USA and is a leading provider of semiconductor processing equipment and DC/DC converters. Corporate headquarters, located in Houston, TX, USA is ISO 9001 certified. DC/DC converters are manufactured in Costa Rica. General Electrical Specifications (Specifications at Nominal Input and 25 C, nominal input voltage and rated output current unless otherwise noted.) w w w .D at aS he et 4U .c om Parameter Input Voltage Range 5V Devices 12 V Devices Input Filter Input/Output Isolation Voltage Resistance Output Voltage Accuracy 2QP & 2SP Device Types Load Regulation Output Noise/Ripple Minimum Load Required Line Regulation Short Circuit Protection Operating Temperature Derating Storage Temperature FCC Sec 15, Sub Part J 2QP & 2SP Series Limits 4.75 - 5.25 VDC 11.4 - 12.6 VDC Filter Capacitor 500 VDC (Min) 10 3 megohms (Min) 5% See Graph* 100mV P-P (Max) 10% of Full Load See Graph* Momentary -25C to +71C None -55C to +125C Yes Conditions All Device Types Nom. Line at Full Load 20Hz-20MHz Bandwidth All Units All Units To 71C Class B Radiated, Class A Conducted 2Watt Lan 4/22/2003 www..com General Electrical Specifications (Specifications at Nominal Input and 25 C, nominal input voltage and rated output current unless otherwise noted.) Parameter Input Voltage Range Input Filter Input/Output Isolation Voltage Resistance Output Voltage Accuracy Load Regulation Line Regulation Output Noise/Ripple Short Circuit Protection Duration Switching Frequency Operating Temperature Derating Storage Temperature External Heatsink Case Encapsulant Heat Dissipation FCC Sec 15, Sub Part J 2E12R9 Series Limits 10.2 - 15.75VDC Filter Capacitor 2500 VDC (Min) 103 Megohms (Min) 5% 50mV 300mV 100mV, P-P (Max) Current Foldback Continuous 30 KHz -25C to +71C None -55C to +125C Recommended For Still Air Environments UL94V-0 UL94H-B 45C Case Rise Yes Conditions All Devices All Device Types All Device Types Nom. Line at Full Load Nom. Line, NL to FL Full Input Range, FL 20Hz-20MHz Bandwidth All Units Typical To 71C High Line, Full Load Class B Radiated, Class A Conducted Selection Guide Device Type 2QP5U9 2SP5U9 2QP12U9 2E12R9 2SP12U9 Input Voltage Range VDC 4.75 - 5.25 4.75 - 5.25 11.40 - 12.60 10.20 - 15.75 11.40 - 12.60 Typical Input Current (A) @ Max Load .600 .600 .250 .350 .250 Output Voltage VDC -9 -9 -9 -9 -9 Max Output Current (mA) 250 250 250 250 250 Package/ Pinout QA SA QA 2E SA Reliability Incorporated Locations Headquarters Reliability Incorporated P.O. Box 218370 Houston, Texas 77218 USA Tel: 281 492-0550 Fax 281 492-0615 www.relinc.com ISO 9001 Certified Sales Reliability Incorporated Tel: 281 492-0550 Fax 281 492-0615 dcdcinfo@relinc.com www.dc-dcpower.com ISO 9001 Certified Far East Sales Reliability Singapore Pte. Ltd. Blk 103 Boon Keng Rd. Singapore 339774 Tel: 65 299 4938 Fax: 65 299 4829 ISO 9002 Certified 2Watt Lan 4/22/2003 Mechanical Specification (dimensions in inches) Copyright(c) 2003, Reliability Incorporated. Reliability reserves the right to make changes in the product at any time, without notification. 2Watt Lan 4/22/2003 |
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