VIPER25LDTR Integrated Circuits (ICs)

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PMIC (Power Management Integrated Circuit) plays an incredibly significant role in modern electronic products such as smart phones, tablet, laptops and more. PMICs provide power to all the components in an electronic device and make sure everything runs smoothly. The VIPER25LDTR is a PMIC device that belongs to the AC-DC Converters and Offline Switchers category and is widely used in consumer electronics.

The VIPER25LDTR is an integrated and highly efficient DC/DC converter comprises of an input surge-protection circuit, an active-clamp reset controller IC, a high-performance power MOSFET, a voltage reference and an oscillator, designed to step down the power supplied by the power supply module. The VIPER25LDTR is a very small size device that is often used in various portable and mobile devices, such as phones, tablet, laptops and more. It is designed to provide a very low-noise output and is also capable of providing up to 35 W of continuous output power.

The working principle of the VIPER25LDTR is fairly simple. It is a DC-DC converter that converts a given input power into a different output voltage. The VIPER25LDTR has two inputs – an input voltage from the power supply and an input voltage from the secondary power source. The input voltage from the power supply is converted to an intermediate voltage, which is then converted to the output voltage of the VIPER25LDTR.

The integrated active-clamp reset controller IC is responsible for controlling the output voltage of the VIPER25LDTR. It monitors the input voltage, and when the voltage rises above a certain threshold, the reset controller will shut off the power MOSFETs and reduce the output voltage. It will then wait until the input voltage reaches the preset level and then turn the power MOSFETs back on, thus restoring the output voltage to its preset level.

The integrated oscillator provides a square wave signal for the reset controller to control the output voltage. The oscillator also helps to reduce power supply noise that can be generated from the output voltage. Additionally, the integrated voltage reference helps to maintain the output voltage at its preset level, by providing the reset controller with a stable reference voltage.

The VIPER25LDTR is an extremely efficient device, providing up to 96 percent efficiency and up to 4 MHz switching frequency. And thanks to its small size, the VIPER25LDTR is able to provide superior performance within a compact and lightweight package.

In summary, the VIPER25LDTR is an integrated DC/DC converter designed for applications such as mobile phones, tablet and laptop computers. It is extremely efficient, providing up to 96 percent efficiency and up to 4MHz switching frequency. It also ensures very low noise is generated on the output voltage and is capable of providing up to 35 W of continuous output power. The device is part of the AC-DC Converters and Offline Switchers PMIC category.

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