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4TPE470MCL 데이터시트(PDF) 1 Page - Linear Technology |
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4TPE470MCL 데이터시트(HTML) 1 Page - Linear Technology |
1 / 24 page LTM4600 1 4600fc LOAD CURRENT (A) 0 50 60 70 6 4600 TA01b 40 30 20 24 8 80 90 100 10 1.2VOUT 1.5VOUT 2.5VOUT 3.3VOUT 10A High Efficiency DC/DC µModule The LTM®4600 is a complete 10A, DC/DC step down power supply. Included in the package are the switching control- ler, power FETs, inductor, and all support components. Operating over an input voltage range of 4.5V to 20V, the LTM4600 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 10A continuous current (14A peak), needing no heat sinks or airflow to meet power specifications. Only bulk input and output capacitors are needed to finish the design. The low profile package (2.8mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and an adaptive on-time current mode architecture enables a very fast transient response to line and load changes without sacrificing stability. Fault protection features include integrated overvoltage and short circuit protection with a defeatable shutdown timer. A built-in soft-start timer is adjustable with a small capacitor. The LTM4600 is packaged in a thermally enhanced, compact (15mm × 15mm) and low profile (2.8mm) over-molded Land Grid Array (LGA) package suitable for automated assembly by standard surface mount equipment. The LTM4600 is Pb-free and RoHS compliant. n Telecom and Networking Equipment n Servers n Industrial Equipment n Point of Load Regulation n Complete Switch Mode Power Supply n Wide Input Voltage Range: 4.5V to 20V n 10A DC, 14A Peak Output Current n Parallel Two μModule™ DC/DC Converters for 20A Output Current n 0.6V to 5V Output Voltage n 1.5% Output Voltage Regulation n Ultrafast Transient Response n Current Mode Control n Pb-Free (e4) RoHS Compliant Package with Gold- Pad Finish n Up to 92% Efficiency n Programmable Soft-Start n Output Overvoltage Protection n Optional Short-Circuit Shutdown Timer n Small Footprint, Low Profile (15mm × 15mm × 2.8mm) Surface Mount LGA Package 10A μModule Power Supply with 4.5V to 20V Input Efficiency vs Load Current with 12VIN (FCB = 0) VIN CIN 4600 TA01a LTM4600 PGND SGND VOUT VOSET VIN 4.5V TO 20V VOUT 1.5V 10A COUT 66.5k TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. μModule is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 6100678, 6580258, 5847554, 6304066. |
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