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LTM8033 Datasheet(PDF) 1 Page - Linear Technology |
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LTM8033 Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page LTM8033 1 8033f TYPICAL APPLICATION FEATURES DESCRIPTION Ultralow Noise EMC 36VIN, 3A DC/DC µModule Regulator The LTM®8033 is an electromagnetic compatible (EMC) 36V, 3A DC/DC μModule® buck converter designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power switches, inductor, filters and all support components. Operating over an input voltage range of 3.6V to 36V, the LTM8033 supports an output voltage range of 0.8V to 24V, and a switching frequency range of 200kHz to 2.4MHz, each set by a single resistor. Only the bulk input and output filter capacitors are needed to finish the design. The LTM8033 is packaged in a thermally enhanced, com- pact (11.25mm × 15mm × 4.32mm) overmolded land grid array (LGA) package suitable for automated assembly by standard surface mount equipment. L, LT, LTC, LTM, Linear Technology, the Linear logo, μModule and Burst Mode are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Ultralow Noise 12V/3A DC/DC μModule Regulator APPLICATIONS n Complete Step-Down Switch Mode Power Supply n Wide Input Voltage Range: 3.6V to 36V n 3A Output Current n 0.8V to 24V Output Voltage n EN55022 Class B Compliant n Current Share Multiple LTM8033 Regulators for More Than 3A Output n Selectable Switching Frequency: 200kHz to 2.4MHz n Current Mode Control n (e4) RoHS Compliant Package with Gold Pad Finish n Programmable Soft-Start n Compact Package (11.25mm × 15mm × 4.32mm) Surface Mount LGA n Automotive Battery Regulation n Power for Portable Products n Distributed Supply Regulation n Industrial Supplies n Wall Transformer Regulation EMI Performance 8033 TA01a VIN RUN/SS FIN SHARE VIN* 20V TO 36V VOUT 12V 3A VOUT AUX BIAS PGOOD RT LTM8033 2.2μF SYNC GND ADJ 1μF f = 850kHz 41.2k 34.8k 47μF * RUNNING VOLTAGE RANGE. PLEASE REFER TO THE APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS. FREQUENCY (MHz) 30 814.8 716.7 618.6 520.5 226.2 324.3 422.4 0 10 30 20 60 50 40 70 80 912.9 1010 8033 TA01b 128.1 |
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