SNST3904DXV6T5G

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The SNST3904DXV6T5G is a member of a integrated family of Arrays that contain two independent high-gain NPN Darlington transistors. Broadly speaking, its main purpose is to enable current-driven switching of loads, allowing for voltage-controlled switching of load power. This family of Arrays can be typically used to implement functions such as line drivers, open-drain circuit, inverters, motor control, and level shifters.

The SNST3904DXV6T5G has two transistor types: an NPN Darlington pair and a PNP Darlington pair. The NPN Darlington pair has a high current gain, while the PNP Darlington pair has a lower current gain. The Array is packaged in a SSOP-20 (Small Outline Package) and is ideal for applications where space is limited. The Array features a very low saturation voltage and a maximum supply voltage of 16V, making it suitable for boost applications.

Working Principle

The SNST3904DXV6T5G Array combines two transistors that can be connected in series, in parallel or as an open-drain circuit. When used as a series connection, one transistor will act as a driver and will drive the load, while the other will act as an open-drain device, directing current to the load. When used as a parallel connection, both transistors will act as switches and will short-circuit the load. When used as an open-drain circuit, both transistors will direct current to the load.

The SNST3904DXV6T5G Array provides excellent current gain and high-speed switching capabilities. Its low saturation voltage allows for low voltage operation and the low leakage current helps to conserve power. Also, its wide common-mode range may make it suitable for use in a wide variety of applications.

Applications

The SNST3904DXV6T5G Array is most commonly used in applications where space and power are limited. It’s mostly used in the field of motor control, where it can be used to drive loads and switch power efficiently. Additionally, it can be used in level shifters, line drivers, and open-drain circuits. It’s also used in applications such as laptops, smartphones, and other battery powered devices where its low power consumption makes it a good choice.

The SNST3904DXV6T5G Array is also a popular choice for use in automotive applications. It can be used to switch loads from an engine control unit (ECU) and is suitable for use in both 12V and 24V systems. Its low current draw means that it can be used for controlling various load power applications such as power windows, headlights, and windshield wipers. In addition, the package size makes it easier to mount in a tight space.

Finally, the SNST3904DXV6T5G can also be used in industrial applications where it can be used as a line driver, level shifter, or open-drain circuit. Its wide common-mode range makes it suitable for use in noisy industrial environments and its low switching speeds allow for faster response times.

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