Series:	--
Part Status:	Obsolete
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	10V
Current - Output:	1A
Voltage - Input:	12 V ~ 75 V
Regulator Topology:	Buck
Frequency - Switching:	480kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LM5010

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Introduction to LM5010 EVAL

The LM5010 EVAL board is designed to evaluate the performance of the Texas Instruments LM5010 buck regulator. It is part of the “EVAL” series of evaluation boards produced by Texas Instruments. This board is suitable for studying and testing the LM5010’s application fields and working principles.

Application Fields

The LM5010 EVAL can be used in a variety of applications where a reliable and efficient power supply widget is needed, including laptops, consumer electronics, lighting, automotive, motor drives, and DC/DC converters. It is also suitable for powering devices requiring a low output voltage, such as FPGAs and ASICs. The on-board voltage selection pins make it easy to select the required output voltage range without needing external components.

Working Principle

The LM5010 is an advanced high-performance synchronous PWM buck converter with a wide input voltage range. It uses four integrated MOSFETs (two high-side, two low-side) and an optimized, small-sized controller. The converter follows a two-step process of turning on and off the switches that control the input and output currents.When the device is first enabled, the corresponding switch is turned on through the controller. This causes the input voltage to be applied to the output capacitor and the inductor, creating a source of potential energy that can be used by the load. The device then alternately turns off and on the switches through Pulse Width Modulation (PWM) to maintain the output voltage constant.

Conclusion

The Texas Instruments LM5010 EVAL board is a highly efficient and reliable board that can be used in a wide variety of applications requiring dependable power supplies. It is suitable for powering devices that require a low output voltage, and the on-board voltage selection pins make it easy to select the desired range of output voltage. This efficient device follows a two-step process of turning on and off the switches through Pulse Width Modulation (PWM) to maintain a constant output voltage.

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