LTM8071 60VIN, 5A Silent Switcher µModule Regulator FEATURESDESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM®8071 is a 60VIN, 5A (continuous) step-down n Low Noise Silent Switcher ® Architecture Silent Switcher µModule® (power module) regulator. n CISPR22 Class B Compliant The Silent Switcher architecture minimizes EMI while n Wide Input Voltage Range: 3.6V to 60V delivering high efficiency at frequencies up to 2.2MHz. n Wide Output Voltage Range: 0.97V to 15V Included in the package are the switching controller, n 5A Continuous Output Current at 24IN, 3.3VOUT, power switches, inductor, and all support components. TA = 85°C Operating over an input voltage range of 3.6V to 60V, n 7.25A Peak Current at 12VIN, 3.3VOUT the LTM8071 supports an output voltage range of 0.97V n Parallelable for Increased Output Current to 15V and a switching frequency range of 200kHz to n Selectable Switching Frequency: 200kHz to 2.2MHz 2.2MHz, each set by a single resistor. Only the input and n Programmable Soft-Start output filter capacitors are needed to finish the design. n 9mm × 11.25mm × 3.32mm RoHS Compliant BGA The LTM8071 is packaged in a compact over-molded Package ball grid array (BGA) package suitable for automated APPLICATIONS assembly by standard surface mount equipment. The LTM8071 is available with SnPb (BGA) or RoHS compliant terminal finish. n Test and Measuement Equipment All registered trademarks and trademarks are the property of their respective owners. n Aviation n Distributed Supply Regulation n Industrial Supplies n Wall Transformer Regulation TYPICAL APPLICATION3.3VOUT from 4.5VIN to 60VIN Step-Down ConverterEfficiency, VOUT = 3.3V, BIAS = 5V 95 LTM8071 V VIN IN 4.5V TO 60V BIAS 85 RUN AUX 1µF VOUT VOUT 75 3.3V RT 100µF 56.2k 102k 65 750kHz FB GND SYNC EFFICIENCY (%) 8071 TA01a 12VIN 55 24VIN 36VIN PINS NOT USED IN THIS CIRCUIT: TR/SS, PG, SHARE 48VIN 45 0 1 2 3 4 5 LOAD CURRENT (A) 8071 TA01b Rev 0 Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Photos Package Description Typical Application Related Parts
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