LM2775EVM

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Up
Outputs and Type:	1, Non-Isolated
Voltage - Output:	5V
Current - Output:	200mA
Voltage - Input:	2.7 V ~ 5.5 V
Regulator Topology:	Boost
Frequency - Switching:	2MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LM2775

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The LM2775EVM is an evaluation module for a DC/DC & AC/DC (Off-Line) SMPS evaluation board. Its purpose is to provide users the opportunity to evaluate the capability and performance of the LM2775 integrated circuit. With its built-in components, including a voltage regulator, precision voltage references, optocouplers, and a range of power transistors, the evaluation module is capable of evaluating the potential of the LM2775 for a variety of applications.The LM2775EVM board evaluates the performance of the LM2775 circuit in both step-down (buck) and step-up (boost) DC/DC configurations, as well as AC/DC (off-line) switching power supplies. With the use of multiple external components and a wide range of evaluation tools, the board is able to evaluate the power conversion capacity and operating limits of the LM2775 circuit in various applications.The LM2775EVM evaluation board is designed to operate in constant-current, constant-voltage, current-mode, or voltage-mode control schemes. It is also capable of acting as a reference circuit for the evaluation of the LM2775\'s efficiency, power loss, and other power-related characteristics. With user-supplied external components, up to 500 mA load current can be interfaced to the board for evaluation.In addition to its range of optimized power characteristics, the LM2775EVM evaluation board also features an on-board precision reference voltage generator, which allows users to measure the output of the LM2775 to ensure accurate voltage regulation. The board also includes an on-board power transistor, allowing users to evaluate various components used in the design of a power supply, such as the switching frequency of power transistors.When operating in constant-current mode, the LM2775EVM evaluation board makes use of current-sensing feedback and opto-couplers to regulate the output voltage of the circuit. Additionally, when operating in constant-voltage mode, the board makes use of voltage-sensing feedback and adjustable hysteresis to regulate the output voltage. The board also features an adjustable soft-start feature, which allows users to ramp up the voltage gradually when the circuit is switched on, thus reducing stress and increasing life of the components in the system.The LM2775EVM evaluation board is a great tool for engineers who need to assess the performance of the LM2775 circuit for DC/DC and AC/DC (off-line) SMPS applications. With its range of comprehensive analytic tools and user-friendly interface, it is well suited for use by anyone interested in the evaluation and development of power supply designs.

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