JSM1012S15

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DC-DC converters are electronic circuits which are often used to convert voltage levels, or to block DC from passing through. The JSM1012S15 is one such DC DC converter that is a high-quality, low-noise, and high-efficiency switch mode power supply. It is widely used in consumer and industrial applications, and features an extremely wide input voltage range.

Application

The JSM1012S15 is mainly used in consumer electronics such as TV receivers, satellite receivers, security systems, and DVD players. It is also a standard choice for industrial applications such as circulating pumps, drive systems, and storage batteries. Furthermore, it is widely used in the automotive sector for wiring harnesses, control systems, and solar power applications.

Functional Description

The JSM1012S15 DC-DC converter consists of two main functional components: a rectifier and a step-up regulator. The rectifier circuit accepts an input AC voltage of 85-264 VAC, which is then rectified to a filtered DC voltage. The step-up regulator then increases this DC voltage to a range of 1.5 V to 12 V. Lastly, the output voltage is further regulated using a control signal. The JSM1012S15 also feature an adjustable overvoltage protection, overload protection, and overtemperature protection for improved stability.

Working Principle

When the input AC voltage is applied to the rectifier, it is rectified to a filtered DC voltage. The step-up regulator, which is the main part of the converter, then increases this DC voltage to a range of 1.5 V to 12 V by using a high frequency switching action. This high frequency switching action is also known as pulse width modulation (PWM).The PWM oscillator modulates the PWM signal at a fixed frequency. This modulated signal is then sent to the driver circuit which turns the switching element on and off, in order to convert the input voltage to the desired output voltage. The output voltage is further regulated using a control signal, which adjust the width of the PWM signal. By doing so, the output voltage is accurately controlled over a wide range of input voltage.

Benefits

The JSM1012S15 is a low-noise, high-efficiency switch mode power supply with an extremely wide input voltage range. It features overload protection and thermal protection for greater stability, and is suitable for a variety of consumer and industrial applications. It is also resistant to shock, vibration, and other environmental factors, making it a reliable choice for long lasting performance.

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