DC1154A

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Isolated
Voltage - Output:	3.3V
Current - Output:	3A
Voltage - Input:	36 V ~ 72 V
Regulator Topology:	Buck
Frequency - Switching:	200kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LTC3873

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DC1154A Evaluation Board

The DC1154A evaluation board is a great tool for evaluating DC/DC and AC/DC (off-line) SMPS (switch-mode power supplies). This board allows developers to quickly evaluate different components and establish the optimal power supply design for their applications. The DC1154A evaluation board contains a modular plug-in platform for easy connection and implementation of DC/DC and AC/DC power supplies. The evaluation board includes on-board sensing buck converters, a host of power-management circuits, and room for additional options such as LED drivers and fan controllers. The board is optimized for use in the power range of 8W to 15W and is suitable for applications such as audio equipment, industrial controls, and LED lighting. The DC1154A also features a 4-pin power inductor that offers an adjustable switching frequency, making it suitable for use in applications operating at a range of frequencies.

DC1154A Working Principle

The DC1154A evaluation board uses a basic buck converter circuit for operating. Buck converters are a type of switched-mode power supply (SMPS). The buck converter works by rapidly switching a transistor to maintain a constant output voltage. The input voltage is converted to a higher or lower output voltage based on the duty cycle of the transistor, where a high duty cycle corresponds to a higher output voltage. The DC1154A evaluation board utilizes the buck topology for switching, with two main components: the high-side switch, and the low-side switch. The high-side switch is used to control the output voltage, and the low-side switch is used to adjust the duty cycle. In addition, a feedback loop is used to monitor the output voltage and ensure it is always balanced.The DC1154A evaluation board also features an adjustable switching frequency. This feature allows users to adjust the frequency of the switching, allowing the board to be used in a variety of applications operating at different frequencies. In addition, the board also includes a digital monitor for monitoring the output voltage.

DC1154A Application Field

The DC1154A evaluation board can be used in a wide variety of applications, including audio equipment, industrial controls, LED lighting, small power supplies, and more. The board is particularly well-suited for applications that require a high switching frequency. The board\'s adjustable switching frequency makes it suitable for use with a variety of CPUs, controllers, and other devices operating at different frequencies. In addition, the board\'s modular design allows it to be easily integrated with other components, such as LED drivers or fan controllers. The DC1154A evaluation board is a great tool for developers looking for an easy and reliable way to evaluate DC/DC and AC/DC (off-line) SMPS. The adjustable switching frequency, on-board sensing buck converters, and host of power-management circuits make it well-suited for a variety of applications.

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