NCV8505D2T33R4

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The NCV8505D2T33R4 is a low quiescent current linear voltage regulator designed for automotive applications or any applications, including battery operated devices, which require low quiescent current and excellent line and load regulation.

This regulator is optimized for low-noise low-dropout and offers an output voltage accuracy of 0.2 percent over the operating temperature range from -40°C to +125°C. It includes integrated under-voltage lockout and thermal shutdown protections, fast internal setting, and output current limited protection.

The NCV8505D2T33R4 is specifically designed to provide a high degree of accuracy and stability on output voltage, which minimizes output voltage deviation over a wide range of temperature and load conditions. The low dropout voltage, low quiescent current, low noise, and the protection features make it an ideal choice for automotive applications.

Applications

• Automotive electronics
• Battery powered devices
• Industrial/Consumer electronics
• Low voltage power supplies
• Smart phones, tablet PCs

Working Principle

The NCV8505D2T33R4 is a low quiescent current voltage regulator, which works on the principle of series voltage regulation. The input voltage is applied to the device, where it passes through a pair of series diodes, which serve as a voltage dropper. When the input voltage is too high, the excess voltage is dropped across the series diodes. This regulator also includes a comparator, an integrated resistor, and a control element that regulates the output voltage. When the input voltage is too high, the comparator senses this and causes the control element to reduce the output voltage.

The integrated resistor is used to control the drop out voltage, which is the difference between the input voltage and the output voltage. The series diodes, comparator, resistor and control element are designed to regulate the output voltage within the desired range for a wide range of input and load conditions.

The NCV8505D2T33R4 also includes programming pins to enable the user to adjust the output voltage to an exact value. When the programming pins are connected to a dedicated external pin, the regulator can be programmed to the desired output voltage. The regulator includes over temperature protection, which can be enabled or disabled via a programming pin.

The NCV8505D2T33R4 is designed to provide highly accurate output voltage regulation with low power consumption. The low dropout voltage and low quiescent current make it ideal for automotive applications, as well as other low voltage applications. The integrated protection features make the NCV8505D2T33R4 an ideal choice for automotive or other applications where reliability and safety are of the utmost importance.

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