規格
| 屬性 | 價值 |
| Package | Tube |
| Series | VIPER™ |
| ProductStatus | Active |
| OutputIsolation | Isolated |
| InternalSwitch(s) | Yes |
| Voltage-Breakdown | 730V |
| Topology | Flyback |
| Voltage-StartUp | 14.5 V |
| Voltage-Supply(Vcc/Vdd) | 8V ~ 38V |
| Frequency-Switching | 60kHz |
| Power(Watts) | 12 W |
| FaultProtection | Current Limiting, Over Temperature, Over Voltage |
| OperatingTemperature | -40°C ~ 150°C (TC) |
| Package/Case | 8-DIP (0.300, 7.62mm) |
| SupplierDevicePackage | 8-DIP |
概述
Description
The VIPER22ADIP-E is a high-performance power management integrated circuit (IC) designed by STMicroelectronics. It belongs to the VIPerPlus series, which is known for its efficient and compact solutions for AC-DC power conversion. The VIPER22ADIP-E integrates a PWM controller with a high-voltage power MOSFET, offering an efficient and reliable solution for offline switch-mode power supplies (SMPS).
Key features of the VIPER22ADIP-E include overvoltage protection, overload protection, and overtemperature protection, enhancing the reliability and safety of electronic applications. It supports flyback, buck, and buck-boost topologies, making it versatile for various power supply designs. The device operates with low standby power consumption, contributing to energy efficiency.
The VIPER22ADIP-E is commonly used in applications such as home appliances, consumer electronics, and industrial systems where a compact and cost-effective power supply is required. Its ease of use, along with integrated features and protections, makes it a popular choice among designers aiming for efficient and simplified power management solutions.
Key features of the VIPER22ADIP-E include overvoltage protection, overload protection, and overtemperature protection, enhancing the reliability and safety of electronic applications. It supports flyback, buck, and buck-boost topologies, making it versatile for various power supply designs. The device operates with low standby power consumption, contributing to energy efficiency.
The VIPER22ADIP-E is commonly used in applications such as home appliances, consumer electronics, and industrial systems where a compact and cost-effective power supply is required. Its ease of use, along with integrated features and protections, makes it a popular choice among designers aiming for efficient and simplified power management solutions.
Equivalent
The VIPER22ADIP-E is a monolithic device by STMicroelectronics designed for off-line power supply applications. Equivalent or similar products may include:
1. NCP1014 by ON Semiconductor
2. LNK304 by Power Integrations
3. TNY177 by Power Integrations
4. TOP222 by Power Integrations
These alternatives provide similar functionality for switch-mode power supplies but verify specific requirements like pin compatibility, power ratings, and features before substitution.
1. NCP1014 by ON Semiconductor
2. LNK304 by Power Integrations
3. TNY177 by Power Integrations
4. TOP222 by Power Integrations
These alternatives provide similar functionality for switch-mode power supplies but verify specific requirements like pin compatibility, power ratings, and features before substitution.
Features
The VIPER22ADIP-E is an integrated high-voltage converter by STMicroelectronics. It is designed for off-line power supply applications, providing several key features:
1. High Voltage Start-Up: Capable of directly operating from a 230 V AC line, thanks to its high-voltage start-up capabilities.
2. Current Mode Control: Utilizes peak current mode control for improved regulation, stability, and transient response.
3. Integrated Power MOSFET: Incorporates a 700 V avalanche-rugged Power MOSFET to minimize external components and enhance reliability.
4. Switching Frequency: Operates at a fixed frequency, which typically is set around 60 kHz, balancing efficiency and component size.
5. Protection Features: Offers over-temperature, over-current, and over-voltage protections, ensuring reliable operation under fault conditions.
6. Low Standby Power: Designed to achieve low standby power consumption, improving energy efficiency in compliance with global standards.
7. Wide Range of Applications: Suitable for use in home appliances, lighting, industrial controls, and consumer electronics.
These features make the VIPER22ADIP-E a versatile and efficient solution for various power supply designs.
1. High Voltage Start-Up: Capable of directly operating from a 230 V AC line, thanks to its high-voltage start-up capabilities.
2. Current Mode Control: Utilizes peak current mode control for improved regulation, stability, and transient response.
3. Integrated Power MOSFET: Incorporates a 700 V avalanche-rugged Power MOSFET to minimize external components and enhance reliability.
4. Switching Frequency: Operates at a fixed frequency, which typically is set around 60 kHz, balancing efficiency and component size.
5. Protection Features: Offers over-temperature, over-current, and over-voltage protections, ensuring reliable operation under fault conditions.
6. Low Standby Power: Designed to achieve low standby power consumption, improving energy efficiency in compliance with global standards.
7. Wide Range of Applications: Suitable for use in home appliances, lighting, industrial controls, and consumer electronics.
These features make the VIPER22ADIP-E a versatile and efficient solution for various power supply designs.
Pinout
The VIPER22ADIP-E is an off-line converter IC used for power supply applications. It typically comes in an 8-pin DIP (Dual In-line Package). Here is a concise description of its pin functions:
1. Pin 1 (Drain): The drain of the internal high-voltage MOSFET.
2. Pin 2 (Source): The source of the internal MOSFET, also used for ground reference.
3. Pin 3 (Source): Same as pin 2; provides connection flexibility.
4. Pin 4 (VDD): Supplies the IC with power. This pin requires an external capacitor for startup.
5. Pin 5 (FB - Feedback): Used for regulation feedback. Connects to an optocoupler in isolated designs.
6. Pin 6 (COMP): Compensation pin for loop stability; connects to external components for stability control.
7. Pin 7 (NC - No Connection): No internal connection; may be used for board layout flexibility.
8. Pin 8 (NC - No Connection): Same as pin 7; for layout purposes.
This IC is commonly used in low to medium-power applications, offering a compact solution with a built-in high-voltage MOSFET, making it ideal for efficient power conversion in isolated flyback configurations.
1. Pin 1 (Drain): The drain of the internal high-voltage MOSFET.
2. Pin 2 (Source): The source of the internal MOSFET, also used for ground reference.
3. Pin 3 (Source): Same as pin 2; provides connection flexibility.
4. Pin 4 (VDD): Supplies the IC with power. This pin requires an external capacitor for startup.
5. Pin 5 (FB - Feedback): Used for regulation feedback. Connects to an optocoupler in isolated designs.
6. Pin 6 (COMP): Compensation pin for loop stability; connects to external components for stability control.
7. Pin 7 (NC - No Connection): No internal connection; may be used for board layout flexibility.
8. Pin 8 (NC - No Connection): Same as pin 7; for layout purposes.
This IC is commonly used in low to medium-power applications, offering a compact solution with a built-in high-voltage MOSFET, making it ideal for efficient power conversion in isolated flyback configurations.
Manufacturer
The VIPER22ADIP-E is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company operates in various sectors, including consumer electronics, industrial, automotive, and communication equipment. Their products are used in a broad spectrum of applications, ranging from microcontrollers and sensors to power management devices and integrated circuits. STMicroelectronics is known for its innovative solutions and plays a key role in the advancement of electronics technology globally.
Application
The VIPER22ADIP-E is a versatile high-voltage converter IC commonly used in power supply applications. Its primary application areas include:
1. Switching Power Supplies: It is used in creating efficient AC/DC converters for various electronic devices.
2. LED Drivers: Suitable for driving LED circuits with stable current outputs.
3. Battery Chargers: Employed in designs for charging batteries with reliable power management.
4. Standby Power Supplies: Used in standby circuits to maintain low energy consumption while providing sufficient power.
5. Home Appliances: Incorporated in the power supply units of home appliances like microwaves and washing machines.
6. Industrial Controls: Applied in industrial power supply circuits for automation and control systems.
1. Switching Power Supplies: It is used in creating efficient AC/DC converters for various electronic devices.
2. LED Drivers: Suitable for driving LED circuits with stable current outputs.
3. Battery Chargers: Employed in designs for charging batteries with reliable power management.
4. Standby Power Supplies: Used in standby circuits to maintain low energy consumption while providing sufficient power.
5. Home Appliances: Incorporated in the power supply units of home appliances like microwaves and washing machines.
6. Industrial Controls: Applied in industrial power supply circuits for automation and control systems.
Package
The VIPER22ADIP-E is in a DIP-8 package type. DIP stands for Dual In-line Package, which is a through-hole component with two parallel rows of pins.
