VIPER22AS-E

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VIPER22AS-E Application Field and Working Principle

The VIPER22AS-E is a member of the VIPER Series of integrated monolithic power ICs. It is a product of STMicroelectronics and falls under the category of Offline Switchers in Power Management ICs (PMIC). Such ICs are used for the reliable and cost-effective AC/DC power supply solutions, which will be discussed more in detail below.

Application Fields of VIPER22AS-E IC

VIPER22AS-E ICs are specifically designed for three main application fields, which include:

• Low power offline switches
• Offline standby power for television sets and LCD monitors
• Uninterruptible power supply

The ICs are also used in LED drivers, solar battery charging and smart home automation. All of these applications require a reliable, cost-effective, and compact AC/DC power supply solution.

Working Principle of VIPER22AS-E IC

From a technical viewpoint, the VIPER22AS-E ICs are integrated monolithic power ICs made with bipolar technology. They are specifically designed to provide an economical solution with very low power dissipation. Due to their over-temperature protection and unique application flexibility, they are very attractive for building sophisticated AC/DC power supplies.

The ICs have main features such as a built-in startup capacitor, which enables the high-efficiency power supply design and a reliable over-temperature protection. They are also designed to meet the international safety standard requirements and provide efficient protection from over-voltage, over-current, and short-circuits. The ICs are also equipped with a steady state current protection which helps to further improve their overall efficiency.

The ICs also support various types of control concepts such as PFC (Power Factor Correction), PWM (Pulse Width Modulation) and Burst Mode control. This ensures a high-efficiency operation of the power supply and ensures that the total power consumption of the system is reduced. Additionally, the ICs feature a high-efficiency operation and a low standby power consumption.

Conclusion

In conclusion, the VIPER22AS-E ICs are integrated monolithic power ICs that are specifically designed to provide an economical solution with very low power dissipation. They are equipped with various features such as a built-in startup capacitor, over-temperature protection, over-voltage protection and steady state current protection. Additionally, they support various types of control concepts, such as PFC, PWM and Burst Mode, for a high-efficiency power supply design. Thus, these ICs are ideal for applications such as low power offline switches, offline standby powers for television sets and LCD monitors, uninterruptible power supply, LED drivers and solar battery charging.

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