TL2575HV-12IN

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TL2575HV-12IN Application Field and Working Principle

The TL2575HV-12IN is a step-down DC-DC switching regulator that has a wide range of applications due to its simple and efficient design. Some of the main applications include automotive systems, telecom systems, and industrial control systems. In these applications, the TL2575HV-12IN is used to generate regulated and low-noise output power from an unregulated power source. In addition, the TL2575HV-12IN can provide additional protection against voltage or current transients.

The TL2575HV-12IN is a synchronous buck DC-DC converter that operates by regulating both the input and output sides of the conversion process. The input side is controlled by an internal PWM controller. This controller steps down the input voltage as needed and as specified by the user. The output is also regulated using an internal linear controller. This controller is programmed by changing jumper settings and is capable of regulating output voltages from 0.9 V to 12 V.

The operating principle of the TL2575HV-12IN is based on pulse-width modulation (PWM) control. This type of control uses the on/off switching of the main power switching device (an internal MOSFET) to regulate the output voltage. When the input voltage is applied, the internal PWM controller turns on and off the main power switch to regulate the output voltage. The frequency of the on/off switching is predetermined by the user and is usually between 400 kHz and 1.2 MHz depending on the input voltage.

The TL2575HV-12IN also features internal current limit and overvoltage protection to prevent damage to the system. The current limit prevents the switch from drawing more current than the maximum specified while the overvoltage protection prevents the output voltage from exceeding a predetermined value. Other features of this device include a soft-start feature, which is designed to limit inrush current, and a thermal shut down that helps to protect the device from high temperatures.

The TL2575HV-12IN is an ideal choice for applications that require a small and efficient DC-DC switching regulator. Its simple and efficient design makes it perfect for automotive, telecom, and industrial control applications. Its features, including current limit and thermal shut down protection, make it an excellent choice for any application that requires reliable and low-noise power.

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