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The Enpirion EN5312Q, EP5352Q, EP5362Q and EP5382Q DC-DC converters are packaged in 5x4x1.1mm 20-pin QFN packages that have the same thermal characteristics. The QFN packages are constructed with copper lead frames that have exposed thermal pads. The recommended maximum junction temperature for continuous operation is 125°C. Continuous operation above 125°C will reduce long-term reliability.

National Application Note AN-1258: Application Note 1258 National's LM2623 Boost Converter - A Simple Supply

National Application Note AN-1095: Application Note 1095 Design of Isolated Converters Using Simple Switchers

National Application Note AN-1142: Application Note 1142 LM2661/3/4 Evaluation Board

National Application Note AN-1197: Application Note 1197 Selecting Inductors for Buck Converters

National Application Note AN-1198: Application Note 1198 LM2622 Step-Up DC/DC Converter Evaluation Board

National Application Note AN-1244: Application Note 1244 Photo-Diode Current-to-Voltage Converters

National Application Note AN-1055: AN-1055 Low-Cost Multiple Output Flyback Converter for I/O Cards

National Application Note AN-1066: Application Note 1066 Low Cost Boost Converters Using LM3578A

National Application Note AN-1081: Application Note 1081 A Low Cost, Low Parts-Count DC/DC Converter with Multiple Outputs