LP5900SD-3.0EV/NOPB

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The LP5900SD-3.0EV/NOPB evaluation board is a linear voltage regulator, designed to ensure and maintain low output noise and low ripple in applications where the power line suggests very high levels of noise. It is used in a vast number of environments, from automotive applications to industrial applications—providing efficient, low noise, and low-cost power management solutions.

The LP5900SD-3.0EV/NOPB evaluation board is a highly accurate voltage regulator that offers a stable and clean power output. The board features an adjustable output voltage of either 3.3V or 5V, and is adjustable from 0.3 to 1.2V by an onboard trim adjuster. A wide input voltage range of 4.75V to 30V, and an adjustable output current capacity of up to 1.5A, make the board a versatile and cost-effective solution.

The LP5900SD-3.0EV/NOPB’s on-board compensation features make it suitable for applications where voltage ripple and noise are critical, such as in automotive systems or in portable electronics. The board provides programmable output voltage limits of up to 0.3V, as well as adjustable load and line transient response time. With a low dropout voltage and high power supply rejection ratio, this board is designed to ensure optimum performance even when the supply voltage varies.

The LP5900SD-3.0EV/NOPB evaluation board also provides a range of different protection features to ensure the long-term use of the board. It offers over current protection, under voltage lockout, and thermal shutdown protection that can be adjusted for different operating conditions. It also features short-circuit protection and exceeds the recommended standards for output voltage transients.

The LP5900SD-3.0EV/NOPB evaluation board works on the principle of linear voltage regulation. In this type of regulation, the output voltage is adjusted with a reference voltage, usually a zener diode, from a reference circuit. The voltage drop across the zener diode is then compared to the input voltage and the output voltage is adjusted accordingly. Voltage regulating circuits use transistors to create this voltage difference, typically either a PNP or NPN type.

Linear voltage regulation has several advantages, such as low standby current consumption, low cost compared to switching regulators, and very low output noise. Additionally, it is also more reliable than switching regulators and is more tolerant of electrical noise. The biggest drawback is that linear voltage regulation requires a large heat sink to dissipate the heat generated during operation, which can be an issue in certain applications.

The LP5900SD-3.0EV/NOPB evaluation boards is a reliable, stable and cost-effective solution for a wide range of applications. Its range of protection features, adjustable output voltage, and wide input voltage range makes it a great choice for many different environments. Its linear voltage regulation makes it ideal for applications where output noise is a concern.

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