LP5900SD-2.5EV

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The LP5900SD-2.5EV is a product of Linear Technology, an American electronics company that manufactures linear integrated circuits and specializes in developing and providing high-performance analog, power and mixed-signal integrated circuits. It is grouped under the category Evaluation Boards – Linear Voltage Regulators.

The LP5900SD-2.5EV combines Linear Technology’s low dropout (LDO) regulator technology and an ultra-small board-mountable package. The device provides low quiescent current (typically 850 μA for the LP5900SD-2.5EV part number) and high current drive (up to 675mA for this part number), as well as providing high ripple rejection and low output voltage noise. The board-mountable package offers the convenience of connecting to the board either by two standard 2.5 mm connectors or with four included solder pins.

The LP5900SD-2.5EV is ideal for a variety of applications, such as supplying always-on power sources for mobile phones, Bluetooth modules, RF modules, Autonomous Smart sensor modules, Bluetooth Low Energy wireless solutions, etc. The LM5900SD-2.5EV Board is also commonly used in test and measurement applications, such as test equipment or any laboratory environment.

The LM5900SD-2.5EV board supports input voltage from 1.8V to 5.5V and output voltage of 1.8V to 3.3V. It is capable of providing a maximum output current of 675mA for the LP5900SD-2.5EV board. It also offers superior output voltage accuracy and stability over line, load and temperature variations.

The LP5900SD-2.5EV board also features an integrated thermal protection circuit, an over-current protection circuit, and an adjustable isothermal circuit that allows for transfer of power dissipation across the board ensuring uniform temperature distribution. This feature helps maintain a consistent temperature level on the board, preventing hot spots and increasing overall reliability.

The working principle of LP5900SD-2.5EV board is quite simple. It is based on the principle of linear voltage regulation, where the input voltage is regulated by controlling the duty cycle of a switch that is connected between the input and output, or between the output and ground. The output voltage is kept constant no matter what the characteristics of the load are, or what the voltage of the input source is. This ensures that the output voltage is always within a certain range and does not fluctuate due to large changes in the input voltage.

The LP5900SD-2.5EV board also uses a series of comparators and error amplifiers to ensure an accurate, stable and predictable output voltage over a wide temperature range. This process is also referred to as voltage feedback loop. In addition, the device also features an active low dropout technique which improves the ripple rejection performance, ensuring low output voltage noise.

The LP5900SD-2.5EV board is an excellent choice for most of the applications which require low dropout, high current drive and high output voltage accuracy over a wide temperature range. Due to its features, this board is being increasingly preferred by many customers and is becoming increasingly popular with engineers in the industry.

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