LM2735XMFEVAL/NOPB

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Evaluation boards, or EV boards, are an invaluable tool for designers and engineers who wish to quickly and easily create and test out system prototypes with minimal development resources. The LM2735XMFEVAL/NOPB is a dual-output non-isolated DC/DC and AC/DC off-line switching power supply (SMPS) evaluation board designed for use with the LM2735 non-isolated synchronous buck controller. This evaluation board is an ideal choice for prototyping buck topologies from 2.5V to 15V at up to 30A and for AC/DC applications from 18VAC to 264VAC.

The LM2735XMFEVAL/NOPB is designed to provide the following features and benefits: easily evaluate the LM2735 Non-Isolated Synchronous Buck PWM Controller “out of the box”, reduce design cycle time and simplify prototype development, enable quick verification of power supply performance with the use of simulation tools such as Mentor Graphics PADS, enable high-temperature performance evaluation of the LM2735 with the use of heat sinks, and provide engineers with a variety of test points and protoboard area for the additional development of related applications.

The working principle of the LM2735XMEVAL/NOBP is based on the LM2735 Synchronous Buck Controller. This controller is an integrated circuit based on an advanced control technique called pulse width modulation (PWM). In this type of control, output voltage is regulated by adjusting the duty cycle of a fixed-frequency, pulse width modulated (PWM) signal in order to drive an external power switch. The controller consists of functional blocks for current monitoring, error amplifiers, PWM block, internal regulated voltage references, and other associated circuitry to implement the input and protection circuits.

The LM2735XMFEVAL/NOPB evaluation board simplifies the design process by providing all the necessary components to quickly test or evaluate the LM2735 synchronous buck controller. The board is populated with components and a prototype area for the construction of the output stage. The board provides an illuminated power supply select switch, two 3-terminal regulators (which can be used for the dual outputs of the LM2735XMFEVAL/NOPB) and various protection circuitry around the controller. The user can easily adjust the current, voltage, and other parameters with the use of the knob, jumper, and test points.

The LM2735XMFEVAL/NOPB evaluation board can be used for both DC/DC and AC/DC applications. The user can easily adjust the input voltage and current, as well as the output voltage with the help of the control knob. The board also includes an overvoltage and overcurrent protection circuit to protect the controller from any external damage. The board also has a handy monitor and test points for the user to observe and adjust the output voltage and current of the LM2735 controller.

In conclusion, the LM2735XMFEVAL/NOPB evaluation board is an ideal choice for designers who wish to quickly and easily create and evaluate system prototypes. It can be used to simplify design cycle time, reduce prototype development time and resources, and enable quick verification of power supply performance. The board contains various knobs, jumpers, and test points to enable the user to quickly adjust the current, voltage, and other parameters of the system. The board also includes an overvoltage and overcurrent protection circuit to protect the controller from any external damage.

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