LTM8065 40VIN, 2.5A Silent Switcher µModule Regulator FEATURESDESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM®8065 is a 40VIN, 3.5A peak, 2.5A continuous n Low Noise Silent Switcher ® Architecture step-down µModule® (power module) regulator. Included in n Wide Input Voltage Range: 3.4V to 40V the package are the switching controller, power switches, n Wide Output Voltage Range: 0.97V to 18V inductor and all support components. Operating over an n 2.5A Continuous Output Current, 3.5A Peak input voltage range of 3.4V to 40V, the LTM8065 supports n Selectable Switching Frequency: 200kHz to 3MHz an output voltage range of 0.97V to 18V and a switching n External Synchronization frequency range of 200kHz to 3MHz, each set by a single n Programmable Soft-Start resistor. Only the input and output filter capacitors are n Tiny, Low Profile 6.25mm × 6.25mm × 2.32mm needed to finish the design. RoHS Compliant BGA Package The low profile package enables utilization of unused APPLICATIONS space on the bottom of PC boards for high density point of load regulation. The LTM8065 is packaged in a thermally n enhanced, compact over-molded ball grid array (BGA) pack- Automotive Battery Regulation n age suitable for automated assembly by standard surface Power for Portable Products n mount equipment. The LTM8065 is RoHS compliant. Distributed Supply Regulation All registered trademarks and trademarks are the property of their respective owners. n Industrial Supplies n Wall Transformer Regulation TYPICAL APPLICATIONEfficiency vs Load Current5V 95 OUT from 7VIN to 40VIN Step-Down Converter VIN = 12V V V IN IN 7V TO 40V BIAS RUN LTM8065 AUX 90 2.2µF V V OUT OUT 5V 2.5A RT 22µF 3.5A PEAK 41.2k 60.4k EFFICIENCY (%) 85 1MHz GND SYNC FB 8065 TA01a PINS NOT USED IN THIS CIRCUIT: TR/SS, PG 80 0 1 2 3 LOAD CURRENT (A) 8065 TA01b Rev.B Document Feedback For more information www.analog.com 1
