VIPER22ASTR-E

The VIPER22ASTR-E is a type of voltage regulator from the VIPerPlus series by STMicroelectronics. This component integrates a high-voltage power MOSFET with PWM (Pulse Width Modulation) control circuitry, making it suitable for switch-mode power supplies and flyback converters. The device is designed for efficiency and reliability, offering low standby power consumption and a wide input voltage range, typically suitable for various AC-DC power supply applications.
Key features include over-temperature, overcurrent, and overvoltage protections, along with an automatic restart function. The high-voltage startup circuit and the low VCC drain current contribute to its energy-saving capabilities. These features make the VIPER22ASTR-E ideal for applications in consumer electronics, industrial controls, and lighting systems.
The device is typically available in compact packaging, allowing for space-saving design in electronic circuits. Its integration of several functions reduces the need for additional external components, which can simplify design and reduce overall system costs.

The VIPER22ASTR-E is a high-voltage converter from STMicroelectronics, typically used in offline power supply applications. Equivalent products may include:
1. LNK304-306 series from Power Integrations
2. ICE3B0565J from Infineon
3. NCP1014 from ON Semiconductor
These alternatives offer similar functionalities, such as offline switch-mode power supply (SMPS) controllers with integrated power MOSFET for applications like AC-DC converters and power supplies. Always check the specific requirements and specifications for compatibility.

The VIPER22ASTR-E is a high-performance off-line power converter designed for various applications. Key features include:
1. Integrated Circuitry: It combines a PWM controller with a high-voltage power MOSFET, simplifying design and reducing component count.
2. Wide Input Voltage Range: Operates efficiently from a wide input voltage range, typically suitable for worldwide mains.
3. Low Power Consumption: Designed for low standby power with high efficiency, meeting stringent energy-saving standards.
4. Protections: Includes over-temperature, overvoltage, undervoltage lockout, and short-circuit protection to enhance reliability.
5. Output Power: Capable of delivering up to 12W in wide range and 20W in European range applications.
6. Frequency: Operates at a fixed frequency of 60 kHz, allowing for reduced component size and cost.
7. Soft Start: Features a built-in soft-start to reduce stress on components during power-up.
8. Design Flexibility: Suitable for flyback, buck, and buck-boost topologies.
These features make the VIPER22ASTR-E ideal for applications such as adapters, chargers, and auxiliary supplies in consumer and industrial products.

The VIPER22ASTR-E is a high-voltage converter for offline power supply applications. It typically comes in an 8-pin package. Here is a concise overview of its pin functions:
1. Pin 1 (GND): Ground reference for the IC.
2. Pin 2 (VDD): Supply voltage input. This pin provides the operating voltage for the IC.
3. Pin 3 (FB): Feedback input. Used for voltage regulation by connecting to an external resistor divider from the output.
4. Pin 4 (NC): No connection. Often left unconnected or used for mechanical support.
5. Pin 5 (SOURCE): Power return for the high-voltage DMOS.
6. Pin 6 (DRAIN): Drain of the internal power MOSFET. Connects to the primary winding of the transformer.
7. Pin 7 (NC): No connection or additional function depending on the specific package variant.
8. Pin 8 (NC): No connection or additional function depending on the specific package variant.
The VIPER22ASTR-E integrates a PWM controller and a high-voltage MOSFET, simplifying the design of isolated flyback converters.

The VIPER22ASTR-E is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. The company serves various sectors, including automotive, industrial, personal electronics, computer, and communication equipment. STMicroelectronics is known for its expertise in analog and mixed-signal semiconductors, discrete and power transistors, MEMS (Micro-Electro-Mechanical Systems), sensors, and microcontrollers. The company is headquartered in Geneva, Switzerland, and operates worldwide, providing technology solutions that help its customers improve their operations and create innovative products.

The VIPER22ASTR-E is a high-voltage converter from STMicroelectronics designed for a range of applications. It is commonly used in offline power supply systems. Key application areas include:
1. Home Appliances: Provides efficient power conversion for appliances like microwaves, refrigerators, and washing machines.
2. Industrial Systems: Suitable for use in industrial control systems and automation equipment.
3. LED Lighting: Used in LED drivers for efficient power management in lighting applications.
4. Consumer Electronics: Powers devices such as televisions, set-top boxes, and chargers.
5. Smart Meters: Employed in power management for smart metering systems.
Its versatility and efficiency make it ideal for any application requiring reliable power supply solutions.

The VIPER22ASTR-E is a high-voltage converter IC commonly used in power supply applications. Its package type is a surface-mount device (SMD) known as the SO-8 package, which is a small-outline integrated circuit with 8 pins. This package is designed for compact and efficient mounting on a printed circuit board (PCB).