LM27342SDEVAL

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	3.3V
Current - Output:	2A
Voltage - Input:	5 V ~ 20 V
Regulator Topology:	Buck
Frequency - Switching:	2MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LM27342

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LM27342SDEVAL is an off-line evaluation board designed specifically for Samsung\'s digital switching power supply (DSP) applications. The board uses an LM27342SEL based DSP to control an off-line switching power supply. It can be used to develop alternative power sources for applications requiring a reliable source of power such as household appliances, portable power devices and mission critical applications.The LM27342SDEVAL board can be used as a reference design which simplifies the development process for a wide variety of applications that require a reliable source of power. The board is an ideal controller for applications such as mobile power systems, industrial motor controllers, and power supply designs that require optimized performance.The LM27342SDEVAL consists of the LM27342SEL Digital Steps DC/DC controller featuring a buck-boost topology, a dual-channel MOSFET switch, an LM25123S battery charger, an LED indicator, a 0-100% brightness regulator, and a full wave bridge rectifier. It is designed to provide reliable and efficient power to power-hungry devices such as laptops, cellular phones, tablets, and other portable electronics.The LM27342SEL digital controller provides a variety of features to help optimize performance and increase efficiency, such as adjustable switching frequency, programmable control logic, and integrated EMI/RFI filtering. The on-board DSP can be used to dynamically adjust the operating frequency and switching pattern of the power supply to optimize power efficiency and reduce electromagnetic interference.The LM27342SEL also features an integrated temperature protection system that helps prevent over-temperature conditions from occurring. This system also protects the device from overloads, preventing it from shutting down unexpectedly.The board also features thermal shutdown protection, so if it is exposed to high temperatures for an extended period of time, it will automatically shut down to protect itself. Additionally, the board is designed to work with a wide range of voltage inputs, from 12V to 48V.The LM27342SDEVAL offers several features to help improve the performance of the power supply, such as the ability to adjust the switching frequency, programmable logic, integrated EMI/RFI filtering, and thermal shutdown protection. This evaluation board is an excellent choice for developing reliable and efficient off-line power supplies with digital control.

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