VIPER12ASTR-E Integrated Circuits (ICs)

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The VIPER12ASTR-E is an integrated circuit used for power management and control. It belongs to the PMIC - AC DC converters, offline switchers category and offers an innovative and high-efficiency solution for both applications. This device offers excellent power conversion performance, allowing it to be used in a wide range of applications with minimal power losses.

The VIPER12ASTR-E is designed with a wide input voltage range of 4.5 to 28 V DC, which enables it to support both AC and DC input. It also supports a wide-ranging operating frequency range, ranging from 2.25 MHz to 32 MHz. This makes it suitable for powering various applications, including digital electronic appliances, automotive systems, and many others.

The VIPER12ASTR-E implements a high-efficiency, low-side conversion topology and semi-resonant (SR) mode operation. This allows the device to achieve high efficiency levels of up to 95%. The SR mode operation gives this device a much better noise immunity and EMI/EMC performance than a standard PWM topology. Moreover, the VIPER12ASTR-E is capable of efficient switching without the need for an external current-limiting resistor, resulting in a simpler and more robust system.

Another great feature of the VIPER12ASTR-E is its capability for intelligent re-start. It can detect potential start-up overshoot, and the built-in circuitry can regulate the current to the desired level, making the device tolerant to input transients.

The VIPER12ASTR-E also has an embedded protection feedback loop, featuring a variety of protection functions, such as over-current protection, under-voltage lockout, short-circuit protection, and brownout protection. This ensures reliable and safe operation, making the device perfect for harsh environment applications, or applications that require high levels of protection.

The VIPER12ASTR-E can operate in the PWM mode, taking data from a PWM signal source. It is then able to control the amount of power delivered to the load by changing the duty cycle. This makes the device suitable for controlling motor speed, LED brightness, and other load types.

The VIPER12ASTR-E is available in three different package types – SO/E/FPGK-8, DSO/FPGK-8, and DIP/FPGK-8 – making it suitable for different usage environments. It is also offered with an adjustable duty cycle feature, allowing the user to select an appropriate duty cycle for their application.

In summary, the VIPER12ASTR-E is a versatile power authentication and control IC, offering high efficiency and excellent performance for a wide range of applications. It has a wide operating voltage range, and supports a wide range of operating frequencies, making it suitable for both AC and DC powered systems. It also offers intelligent re-start and protection feedback capabilities, ensuring reliable and safe operation. The adjustable duty cycle feature makes it suitable for controlling motor speed, LED brightness, and other load types. The VIPER12ASTR-E is available in three different package types, making it suitable for various usage environments.

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