VIPER37HE

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      VIPER37HE series is a family of advanced offline AC-DC power converter modules specific to consumer, industrial and automotive applications. These advanced modules are designed with integrated power supply (PSR) architecture which enables designers to optimize power conversion efficiency by reducing line losses, eliminating excessive surge current and minimizing EMI emission from the power electronics system. Based on the VIPER37HE modules, an extensive range of AC/DC power converters for multiple applications can be tailored with high performance and cost competitiveness.

      It is categorized as PMIC – AC DC Converters, Offline Switchers. The VIPER37HE modules can be easily integrated into a wide range of demanding applications including high frequency converters, AC/DC rectifiers, off-line ac/dc converters, dual and triple output converters, and lighting converters. Its wide range of features makes it ideal for many applications, including the following ones:

• High frequency converters which requires wide input voltage range, low output voltage ripple, high efficiency and tight regulation.
• AC/DC rectifiers with high power factor and high efficiency while meeting various safety requirements in various industries.
• Off-line ac/dc converters used in various products such as refrigerators and home appliances.
• Dual and triple output converters with low EMI, low power consumption and wide output voltage range.
• Lighting converters with multiple protocol support and small form factor.

      The VIPER37HE provides several features that are essential for modern ac/dc designs. It is designed to operate from a wide-range input voltage of 85 - 265VAC. It operates with a variety of switching frequencies for extended operating temperature operating range, EMI and ripple reduction. It is designed to provide a regulated output voltage and current during normal operating conditions and features built-in overvoltage, overcurrent, over-temperature and short circuit protection. It further reduces design complexity by providing a low source-on and source-off switching frequency. The VIPER37HE also offers integrated monitoring of output voltage, current and temperature.

      The VIPER37HE modules work on a different operating principle known as \'Zero Voltage Soft Switching\', which allows it to operate at high frequency while minimizing power losses. This, in turn, ensures high efficiency and less heat dissipation, resulting in smaller and lighter packages, increased reliability and increased system performance. The VIPER37HE\'s low source-on and source-off switching frequency helps reduce noise from the switching signal and further simplifies the design process.

      VIPER37HE modules offer a wide range of advantages to system designers. They are designed to provide a low cost, high performance solution for off-line AC-DC power conversion applications. These modules have a wide input range capability, feature low audible noise and EMI levels, and provide a high level of protection against overloads and short circuits. They are also designed to deliver high power conversion efficiency, low ripple and tight regulation. Furthermore, they are well suited to comply with a variety of safety regulations, such as UL and IEC 60950.

      In summary, the VIPER37HE modules provide a high level of performance, cost effectiveness and reliability in a wide range of AC/DC power conversion applications. They are a great choice for designers looking for an efficient, low cost solution for their designs. The modules are well suited for a variety of applications due to their wide range of features and highly competitive cost compared to other solutions.

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