3 Watt DC/DC Converter 8 Pin SMD Isolation Modules Product Features: Conflict FREE The TGM-H251NF and TGM-H281NF trans- formers provide the isolation and voltage outputs required for low cost isolated DC/DC converter circuits. These high efficiency, extended temp range transformers have been designed specifically for the Maxim MAX256 controller and H bridge driver with 3.3V or 5V power source. Fully tested and approved by Maxim in this 3 watt application. UL60950 and EN60950 recognized. Turns Ratio 3% PRI-OCL PRI-DCR Cw/w Isolation Part Number PRI : SEC (H Typ) (m Max.) (pF Max) Voltage TGM-H251NFLF 1:1:1:1 198 100 15 1,500 TGM-H281NFLF 1:1:2.6:2.6 198 100 15 1,500 For more information, pertaining to the MAX256 please contact Maxim at (408) 737-7600. Maxim is a registered trademark of Maxim Integrated Products. Schematic For additional information contact your local representative, or HALOs support staff at (650) 903-3800 or info haloelectronics.com3 Watt DC/DC Converter Package NF Recommended Solder Pad Dimensions Dimensions: inches mm Co-Planarity: 0.004 0.10 US Patent Numbers for SMD Devices 5,656,985 6,297,721 B1 6,297,720 B1 6,320,489 B1 6,344,785 B1 6,662,431 B1 HALO Electronics is a leading supplier of high quality communication magnetics including signal transformers, filters, CMR chokes, PoE power transformers, DC/DC converters, and integrated Ethernet connectors. HALOs leading edge 2880 Lakeside Drive 116 Santa Clara, CA 95054 technology solutions are manufactured in ISO9001 and ISO14001 factories (650) 903-3800 offering high quality products at a competitive price. www.haloelectronics.com Copyright 2014 HALO Electronics, Inc. All rights reserved. Revised 4/2014 Download the latest version at www.haloelectronics.com/pdf/discrete-dc2dc-3w.pdf