VIPER38LD

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The Viper38LD (Low Dropout Regulator) is integrated voltage-regulating circuit designed to provide stable, low-noise and efficient voltage regulation for systems requiring low-current power-delivery options. This type of component is typically found in applications such as portable electronics, data logging systems, automotive and telecommunication applications. It is designed to effectively regulate the power supply in these applications, and thus protect the integrity of the system.

The Viper38LD is classified under the Power Management Integrated Circuits (PMIC) AC DC converters and offline switchers category. It comprises two functional blocks - the low-dropout voltage regulator and the voltage source. The voltage source block provides the necessary voltage to enable the voltage regulator to provide the required output voltage.

The low-dropout voltage regulator is employed to regulate the output voltage. It has a built-in low-dropout voltage regulator feature, which allows the voltage regulator to maintain the output voltage within a certain range. This feature helps protect the system from over-voltage or under-voltage conditions. The low-dropout voltage regulator also provides constant-voltage regulation.

The voltage source block of the Viper38LD consists of an inverting buck-boost type DC-DC converter. This type of converter is commonly used in applications where the output voltage needs to be regulated at a very low voltage. The DC-DC converter has output voltage range of 0.8V-12V, enabling it to provide a stable output voltage for a wide range of input voltages. The DC-DC converter also has a softstart feature, which allows the output voltage to slowly increase from the lowest voltage point of 0.8V once the converter is enabled.

In addition to the voltage regulator and voltage source blocks, the Viper38LD also has an internal power conditioning circuit. This circuit helps to reduce noise, spikes, and transients in the output voltage. It also helps to keep the output current stable, even when the input voltage varies. The power conditioning circuit also helps protect the device from over-current and over-voltage conditions.

The Viper38LD is Application specific and optimally designed to offer leading-edge performance with robust operation. It has a temperature range of -40°C to +125°C and is RoHS compliant. It also includes a range of protection features such as short circuit protection, under-voltage lockout and over-current protection, making it optimal for extreme environments. Both adjustable and fixed output versions of the device are available.

The Viper38LD is a highly efficient and reliable PMIC AC DC converter and offline switcher that can provide low-current, low-noise and efficient power delivery for various power-management applications. It is ideal for applications requiring flexibility and maximum efficiency.

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