NCV4294CSN33T1G

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NCV4294CSN33T1G is a voltage regulator designed by ON Semiconductor. It performs the task of voltage regulation with high accuracy while requiring less external components. This makes it suitable for a wide range of applications in automotive, computer and communication, and consumer electronics.

The NCV4294CSN33T1G is a low dropout (LDO) linear voltage regulator with an input voltage range of 3V to 24V, adjustable output voltage of 0.4V to 20V and a maximum output current of 400mA. The device operates in a three-terminal configuration and can also be used for battery back-up operations. Its operating temperature range is from - 40°C to +125°C and it is available in standard SOT223-8 and SOT223-4 packages.

NCV4294CSN33T1G Application Field

The NCV4294CSN33T1G device is suitable for a wide range of applications, including automotive, computer and communication, consumer electronics, and other low-voltage systems. It is particularly useful in small, space-constrained systems due to its low-dropout linear architecture and small SOT223 package.

In automotive applications, the NCV4294CSN33T1G can be used to provide stable voltage to devices such as powertrain control modules, instrument clusters, and body control modules. In consumer electronics, it can be used for powering audio amplifiers, handheld instruments, PDAs and mobile phones.

In computer and communication applications, the NCV4294CSN33T1G can be used for powering a variety of digitally controlled circuits such as hard-disk drive preamplifiers, Ethernet bridges, optical transceivers and baseband modems.

Working Principle

The NCV4294CSN33T1G is a low dropout linear voltage regulator employing dual conductance feedback (DCFB) architecture. It uses a series-pass circuit topology to provide regulate the output voltage. The device features an internal PNP power transistor and an N-FET current source, enabling it to produce adjustable output voltage with a low-dropout voltage. It provides an output voltage accuracy of ± 4%.

The NCV4294CSN33T1G also offers a wide input voltage range, adjustable output voltage range and a much higher output current than other voltage regulators. It can also operate in a wide temperature range and low standby current, making it suitable for applications requiring extended operating times.

The NCV4294CSN33T1G has its own set of features that make it ideal for applications requiring low quiescent current and high accuracy. This device features a current-limit protection, short-circuit protection, thermal shutdown protection and port pin-out protection. It also features a low current shutdown mode, ensuring accurate operation and reliable protection of the system.

Conclusion

The NCV4294CSN33T1G is a low dropout linear voltage regulator designed for automotive, computer and communication, consumer electronics, and other low-voltage appliances. Its small SOT223 package, wide operating temperature range and regulatory features make it ideal for cost-sensitive applications that require a reliable power supply. Its adjustable output voltage range, high output current and low quiescent current makes it suitable for a variety of design demands.

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