BA05ST

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The BA05ST series of linear voltage regulators is produced by STMicroelectronics. They are an industrial grade, low power and low voltage drop linear voltage regulators with low drop-out voltage and reference voltage. They are offered in a large range of output current and are suitable for many applications. The BA05ST series feature a PNP output transistor, low quiescent current, reverse battery protection and output current limit.

The BA05ST series is applicable to many key application fields such as automotive, consumer, computing, and communication system, industrial controllers, smart grid, home appliances and industrial process control. In automotive applications, the BA05ST linear voltage regulator keeps sensitive electronic circuits supplied with a stable voltage, even on start up or under dynamic conditions of power supply. Consumer electronic products relying on sensing technology require highly efficient, low voltage drop and low thermal dissipation. Computing and communication systems need to be provided with a highly stable power supply in order to obtain a good performance and to increase their energy efficiency. Industrial controllers are mainly used in manufacturing and in various process control applications. Smart grid control is one of the most important application field in which the BA05ST series is used. Home appliances usually require a high performance power supply which delivers a voaltage with low dropout. Industrial process control systems rely on the BA05ST series for their stability and performance.

The BA05ST series works by providing a fixed output voltage from the input voltage (within a certain range) regardless of the variations on the input voltage. This is done by switching an output transistor to regulate the output voltage. When the input voltage increases, the transistor opens, allowing the output voltage to remain stable. When the input voltage drops, the transistor closes and the voltage drops, resulting in a stable output voltage. The output voltage is optimized by an internal voltage reference, which ensures a better power quality and more stable output voltage.

The quiescent current of the BA05ST series is quite low, allowing the device to deliver maximum output current while consuming minimal power. The PNP output transistor, low dropout voltage and internal current limit are designed to provide a high level of protection from reverse battery voltage. The BA05ST series is housed in a small package, to further reduce overall size, power consumption and thermal dissipation.

The BA05ST series provides a high reliability and low noise voltage regulation in a wide variety of applications. The series is designed to operate over a wide input range of 2.5V to 5.5V and helps reduce the overall thermal dissipation by regulating the output voltage. With its high accuracy voltage reference and low quiescent current, the BA05ST series provides an excellent solution for low power, low voltage applications.

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