* Complete Switch Mode Power Supply
* Wide Input Voltage Range: 4.5V to 20V
* 10A DC, 14A Peak Output Current
* Parallel Two μModule™ DC/DC Converters for 20A Output Current
* 0.6V to 5V Output Voltage
* 1.5% Output Voltage Regulation
* Ultrafast Transient Response
* Current Mode Control
* Pb-Free (e4) RoHS Compliant Package with Gold- Pad Finish
* Up to 92% Effi ciency
* Programmable Soft-Start
* Output Overvoltage Protection
* Optional Short-Circuit Shutdown Timer
* Small Footprint, Low Profi le (15mm × 15mm × 2.8mm) Surface Mount LGA Package

* Telecom and Networking Equipment
* Servers
* Industrial Equipment
* Point of Load Regulation

The LTM®4600 is a complete 10A, DC/DC step down power supply. Included in the package are the switching controller, 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 effi ciency design delivers 10A continuous current (14A peak), needing no heat sinks or airfl ow to meet power specifi cations. Only bulk input and output capacitors are needed to fi nish the design.
The low profi le 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 sacrifi cing 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 profi le (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.



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