VIPER50A

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The VIPER50A is a fully featured offline switcher integrated power mode controller which is used to control an AC-DC power converter. It includes a low voltage oscillator and a variable duty cycle, which is used to control the power-up, power-down and soft-start times. It also includes a variable frequency modulation feature to reduce input ripple current. This makes the VIPER 50A suitable for a wide range of AC-DC or DC-DC switched mode power applications.

The VIPER50A has features designed to reduce component count, reduce component size and drive gate drivers without additional gate drive circuits. This makes the VIPER50A suitable for both high power and low power applications. The VIPER50A is also designed to reduce EMI and improve efficiency by operating in the switcher`s maximum efficiency operating range.

The VIPER50A uses a current mode control loop, which provides fast line and load regulation and fast loop response characteristics. The current mode control also reduces the need for external loop compensation components, allowing for easy and fast component selection. The VIPER50A also offers a robust line under-voltage lockout (UVLO) feature to protect against startup transients and line fluctuations.

The VIPER50A has a wide operating voltage range of 8.5 to 42V and can be used in a variety of applications from high power AC-DC power supplies to low power DC-DC converters. The VIPER50A includes an under voltage lock out feature to protect against line fluctuations and an improved soft start which minimizes the power-on surge current. The VIPER50A also includes a frequency modulation feature to reduce switching noise and input ripple current.

The VIPER50A also includes a wide range of protection features including under voltage lockout, overcurrent protection, overload protection, thermal overload protection and over voltage protection. The overload and overcurrent protection features can be used to protect the power converter from damaging conditions. In addition, the VIPER50A features a power good output which indicates when the power converter is ready for operation.

The VIPER50A is a robust and reliable offline switcher with a feature set that make it suitable for a wide range of applications. The integrated power mode controller functions reduce component count and provide improved system performance. The adjustable soft start, wide operating voltage range and protection features make it suitable for a range of low to high power applications.

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