SG2525AN Integrated Circuits (ICs)

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The SG2525AN is a high-performance low cost DC/DC Buck controller IC. This device is capable of operating efficiently over a wide duty cycle range (up to 125kHz) and offers full protection, soft start, and frequency foldback for current limit protection. The SG2525AN has the added advantage of being a true dual synchronous controller, meaning it can operate two independent and completely synchronized Buck stages in parallel for higher current applications up to 40A.

The SG2525AN is a high-efficiency, low cost buck controller IC, which is used in a wide variety of DC/DC power conversion applications. The device is suitable for use in battery-powered, high-voltage, and low-voltage applications. It is an ideal solution for buck-boost, DC to DC, and battery charging systems.

The SG2525AN has a wide range of features that make it well-suited to a wide range of applications. The main features of this IC include a wide input voltage range, as well as pulse width modulation (PWM) and pulse frequency modulation (PFM) control. The SG2525AN also features adjustable soft-start and short circuit protection, as well as a frequency foldback for current limit protection and an adjustable leakage current limit protection. Additionally, the SG2525AN has an on-chip temperature sensor for feedback and temperature compensation.

The operation of the SG2525AN is based on the principle of pulse width modulation (PWM) and pulse frequency modulation (PFM). This allows precise control of output voltage and current. When the device is operating in PWM mode, an external transistor is used to switch the output stage of the circuit. The PWM signal that is generated is then used to switch the external transistor on and off according to the desired output voltage and current. In PFM mode, the SG2525AN operates with a fixed ON-time and a variable OFF-time. This results in improved efficiency and higher output voltage.

The SG2525AN is one of the most widely used DC/DC Buck controller ICs in the market. Its wide range of features and high efficiency make it an ideal solution for a variety of applications. The device is well-suited for use in automotive, portable, and other high-voltage and low-current applications, as well as for battery charging. Additionally, its wide range of features, such as adjustable soft start and frequency foldback, make it an excellent choice for a wide range of DC/DC power conversion systems.

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