LTM8022 1A, 36V DC/DC µModule FEATURESDESCRIPTION n Complete Step-Down Switch Mode Power Supply The LTM®8022 is a complete 1A, DC/DC step-down power n Wide Input Voltage Range: 3.6V to 36V supply. Included in the package are the switching controller, n 0.8V to 10V Output Voltage power switches, inductor, and all support components. n 1A Output Current Operating over an input voltage range of 3.6V to 36V, the n Adjustable Switching Frequency: 200kHz to 2.4MHz LTM8022 supports an output voltage range of 0.8V to 10V, n Current Mode Control and a switching frequency range of 200kHz to 2.4MHz, n (e4) RoHS Compliant Package with Gold Pad Finish each set by a single resistor. Only the bulk input and output n Programmable Soft-Start fi lter capacitors are needed to fi nish the design. n Tiny, Low Profi le (11.25mm × 9mm × 2.82mm) The low profi le package (2.82mm) enables utilization of Surface Mount LGA Package unused space on the bottom of PC boards for high density point of load regulation. APPLICATIONS The LTM8022 is packaged in a thermally enhanced, compact n (11.25mm × 9mm) and low profi le (2.82mm) overmolded Automotive Battery Regulation n land grid array (LGA) package suitable for automated Power for Portable Products n assembly by standard surface mount equipment. The Distributed Supply Regulation n LTM8022 is RoHS compliant. Industrial Supplies n Wall Transformer Regulation L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION7VIN to 36VIN, 5V/1A μModule® RegulatorEffi ciency and Power Loss VIN* VOUT 100 0.8 7V TO 5V V V IN = 12V IN VOUT 36V LTM8022 1A 90 0.7 2.2μF RUN/SS AUX 4.7μF 0.6 80 POWER LOSS (W) SHARE BIAS EFFICIENCY 0.5 70 PG POWER 0.4 LOSS 60 0.3 RT GND SYNC ADJ EFFICIENCY (%) 50 0.2 29.4k 93.1k 40 0.1 8022 TA01a 30 0 0.001 0.01 0.1 1 *RUNNING VOLTAGE RANGE. PLEASE REFER TO LOAD CURRENT (A) APPLICATIONS INFORMATION FOR START-UP DETAILS 8022 TA01b 8022fd 1
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