Description Package Manufacturer Manufacturer P/N1 C1 4.7F Ceramic Cap, 6.3V, X5R SM0805 AVX 08056D475KAT2A1 C2 10F Ceramic Cap, 6.3V, X5R SM0805 AVX 08056D106KAT2A1 C3 Do Not Stuff 1 J1 Jumper 1 L1 4.7H 1.15A SMD Sumida CR43-4R7 1 R1 499k Film Res, 1% SM0805 Yageo 9C08052A3003FKHFT 1 R2 249k Film Res, 1% SM0805 Panasonic ERJ-6ENF1503V 1 R3 Do Not Stuff 1 U1 DC-DC Converter SOT23-5 MPS MP2105DJ EV2105DJ-00A 800mA SYNCHRONOUS BUCK STEP-DOWN CONVERTER INITIAL RELEASE 12/04, Rev. 1.0 www.MonolithicPower.com 3 PRINTED CIRCUIT BOARD LAYOUT Figure 1Top Silk Layer Figure 2Top Layer Figure 3Bottom Silk Layer Figure 4Bottom Layer EV2105DJ-00A 800mA SYNCHRONOUS BUCK STEP-DOWN CONVERTER INITIAL RELEASE NOTICE: MPS believes the information in this document to be accurate and reliable. However, it is subject to change without notice. Contact MPS for current specifications. MPS encourages users of its products to ensure that third party Intellectual Property rights are not infringed upon when integr FEATURES High Efficiency: Up to 95% 800mA Available Load Current 2.5V to 6V Input Voltage Range Output Voltage as Low as 0.6V 100% Duty Cycle in Dropout Short Circuit Protection Thermal Fault Protection <0.1A Shutdown Current Programmable Enable Control APPLICATIONS Cellular and Smart Phones Microprocessors/DSP Core Supplies PDAs Digital Still and Video Cameras Portable Instruments , MPS, Monolithic Power Systems, and The Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. EV2105DJ-00A EVALUATION BOARD Dimensions (2.0X x 2.0Y x 0.5Z) Board Number MPS IC Number EV2105DJ-00A MP2105DJ 1009080706050403020100EFFICIENCY (%)101001000LOAD CURRENT (mA)MP2105-EC01Efficiency vsLoad CurrentIN = 3.3VIN = 4.2V specifications. MPS encourages users of its products to ensure that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS cannot assume any legal responsibility for any said applications. EV2105DJ-00A Rev. 1.0 Monolithic Power Syste