NCV8508DW50R2

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The NCV8508DW50R2 is a voltage regulator for linear power management applications. It is designed for use in automotive, industrial, and LED applications, providing a low dropout, low noise, and wide operating temperature range.Nominal output voltage of the NCV8508DW50R2 is 8V and the load current range is 0.5A to 4.5A. The input voltage range is from 8V up to 40V, the output voltage is adjustable (in the range of 2.4V to 8V) with a standard ±2.2% accuracy, and the output current ripple is <25mA.

The NCV8508DW50R2 integrates high-current current-limit, short-circuit protection, brown-out protection, under-voltage lockout (UVLO) and thermal shut-down features that protect the device and the system from harm. This device includes one enable pin with a typical delay time of 200ms, and a power-good output that provides an indication of output voltage status.

The NCV8508DW50R2 is available in a thermally enhanced WDFN-6 PowerPAD package for small form factor, minimal component footprint and high thermal performance. This device has high power efficiency, with a typical efficiency of >85%.

The NCV8508DW50R2 has a built-in voltage reference and low RDS(on) output MOSFET for fast transient response and excellent line and load regulation. Its ultra-low dropout voltage and fast response enables the device to supply stable low voltage output without unwanted voltage spikes or noise. The device supports adjustable output voltage from 2.4V to 8V.

The NCV8508DW50R2 is suitable for a wide range of applications, including low power industrial systems, automotive systems, and communications systems, as well as LED lighting. It provides an integrated solution for a variety of power management needs, offering an accurate output voltage, low dropout voltage, high power efficiency, and excellent power supply stability and low noise.

The working principle of the NCV8508DW50R2 is a closed loop linear regulator. It uses three main components, an error amplifier, a reference voltage and a pass element. A voltage reference is used to set a stable voltage at the non-inverting input of the error amplifier. The reference voltage is compared to the voltage at the output of the regulator. The output is then adjusted to match the reference voltage. If the output voltage is lower than the reference voltage, the error amplifier will increase the output voltage. If the output voltage is higher than the reference voltage, the error amplifier will decrease the output voltage. The pass element of the regulator will boost or reduce the voltage as necessary to match the reference voltage and maintain a stable output voltage.

In conclusion, the NCV8508DW50R2 is an excellent linear voltage regulator for a variety of applications, from automotive and industrial systems to communications systems and LEDs. It has a low dropout voltage, fast transient response, and a wide operating temperature range. It provides excellent line and load regulation and stability, and its power management features protect the system from harm. With its small form factor, high power efficiency, and high thermal performance, the NCV8508DW50R2 is an ideal solution for a wide range of power management needs.

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