LM2731YEVAL/NOPB

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Up
Outputs and Type:	1, Non-Isolated
Voltage - Output:	--
Current - Output:	1.8A
Voltage - Input:	2.7 V ~ 14 V
Regulator Topology:	Boost
Frequency - Switching:	600kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LM2731

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The LM2731YEVAL/NOPB evaluation board provides designers with a comprehensive platform for testing of the LM2731 SMPS controller for use in a variety of AC/DC and DC/DC off-line switching power supply designs. This evaluation board features aural and LED indicators for undervoltage and short-circuit protection, adjustable current and runtime limits, a ramping output voltage adjustment circuit, a synchronization-capable oscillator, and a precise voltage reference. The board can be used to test a variety of feedback and control modes, such as voltage, current limit, load share, and soft-start.The LM2731YEVAL/NOPB can be used to develop and debug new off-line SMPS designs quickly and easily. The board allows users to simulate a variety of conditions and analyze their effects on the system. The evaluation board also features a programmable loading system which allows the designer to quickly test their design with a wide range of load currents. The adjustable output voltage range of the board provides flexibility for testing with various power levels and loads.The working principle of the LM2731YEVAL/NOPB evaluation board is based on the flyback architecture of most off-line AC/DC and DC/DC power supplies. All of the components in the board are arranged to form a bridge rectifier circuit, which rectifies the incoming AC supply and converts it into a DC voltage. This DC voltage is then regulated by an oscillator, which is coupled with an optocoupler. The optocoupler provides the feedback signals necessary to maintain a stable output voltage. The load on the output voltage is regulated by a set of current limiting and soft-start circuits, which prevent the LM2731 from overloading and ensure that the load current remains constant as the voltage varies.The LM2731YEVAL/NOPB evaluation board is a comprehensive platform for testing LM2731 SMPS controllers for use in off-line AC/DC and DC/DC power supply designs. Its features include adjustable current and runtime limits, a ramping output voltage adjustment circuit, a synchronization-capable oscillator, a precise voltage reference, and a programmable loading system. The board can be used to test a wide range of feedback and control modes, as well as simulate various conditions and monitor their effects on the system. The LM2731YEVAL/NOPB is an invaluable tool for quickly and easily developing and debugging new off-line switch mode power supplies.

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