LM2679-5.0EVAL/NOPB

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The LM2679-5.0EVAL/NOPB is a monolithic evaluation board for designing and testing DC-DC and AC-DC off-line switching power supplies (SMPS). This board allows engineers to integrate high-performance DC-DC and AC-DC SMPS designs into a variety of end products ranging from desktop computers, servers, networking, industrial and consumer electronics.

The board features an integrated and adjustable switching regulator, a frequency generator, and a power switch in a single package. It has the ability to generate 5 volt outputs with up to 3.75A of current. The LM2679-5.0EVAL/NOPB offers up to 95% efficiency at maximum output power and supports wide input voltage range of 12V to 40V. It also supports multi-channel and multi-level current limiting for adjustable load current protection, and a frequency foldback and soft-start feature for maximum efficiency and power savings.

The LM2679-5.0EVAL/NOPB utilizes a traditional topology for SMPS designs: it contains a high-performance switching regulator, a frequency generator, and a power switch, all in one package. The integrated switching regulator is composed of an operational amplifier, an error amplifier, power MOSFETs, and control logic. It is responsible for providing the regulated output voltage. The integrated frequency generator is responsible for generating the switching frequency of the power MOSFETs. The integrated power switch is responsible for regulating the energy flow and safely opening and closing the power path when the power supply is in operation. The LM2679-5.0EVAL/NOPB provides separate thermal shutdown and over-voltage protection for improved system safety.

The LM2679-5.0EVAL/NOPB is ideal for low power DC-DC and AC-DC off-line designs and is applicable in areas such as desktop computers, servers, networking, consumer and industrial equipment, and distributed power systems. Its high efficiency and wide input range make it ideal for designs that require robust performance and minimal noise in harsh environments. It is also suitable for designs that require high power density and low emissions. In addition, its adjustable load current protection and frequency foldback and soft-start features are ideal for a variety of power supply applications.

In conclusion, the LM2679-5.0EVAL/NOPB is an optimal solution for DC-DC and AC-DC off-line SMPS designs. Its integrated switching regulator, frequency generator, and power switch provide engineers with a single package solution capable of providing up to 3.75A of current with a wide input voltage range of 12V to 40V. Its adjustable load current protection, frequency foldback, and soft-start features make it a suitable choice for a wide range of applications. Its high efficiency and low emissions ensure that it is a valid solution for applications in harsh environments.

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