VIPER27LDTR

The VIPER27LDTR is a high-efficiency, low-power voltage converter designed for use in various electronic power supply applications. It integrates a PWM controller and a power MOSFET on the same silicon chip, allowing for a compact design with fewer external components. This device is particularly useful in creating flyback, buck, and buck-boost converters. It features a wide input voltage range, making it versatile for different power supply requirements. The VIPER27LDTR is known for its overvoltage, overload, and thermal shutdown protection, enhancing the longevity and reliability of devices it powers. Additionally, its high-switching frequency allows for the use of smaller magnetic components, contributing to a more compact and efficient power supply design. This makes it ideal for applications like chargers, adapters, and small industrial power supplies, where efficiency and space-saving are crucial. Overall, it offers an effective solution for designing cost-efficient, reliable, and compact power systems.

The VIPER27LDTR is a high-voltage converter chip used for offline power supply applications. Some equivalent products include:
1. LNK306 by Power Integrations
2. TNY180PN by Power Integrations
3. ICE3BR4765J by Infineon Technologies
4. NCP1075 by ON Semiconductor
5. FAN7601 by Fairchild Semiconductor
When selecting an equivalent, ensure it meets the specific electrical and thermal requirements of your application, such as input voltage range, output power, and switching frequency.

The VIPER27LDTR is a product in the VIPerPlus series from STMicroelectronics, designed for power supply applications. Here are its key features:
1. Integrated High-Voltage MOSFET: It includes a 1050V avalanche-rugged power MOSFET, reducing the need for external components.
2. Current-Mode PWM Controller: The IC incorporates a current-mode PWM controller, which simplifies the design of switch-mode power supplies and improves performance.
3. Low Standby Consumption: The device ensures low standby power consumption, making it energy-efficient.
4. Protections: It offers comprehensive protection features, including overload, overvoltage, undervoltage, and thermal shutdown protections.
5. Adjustable Current Limitation: Users can set the current limitation, allowing for flexibility in various applications.
6. Frequency Jittering: The IC includes frequency jittering, which helps in reducing electromagnetic interference (EMI).
7. Compact Package: It is available in a compact package, suitable for space-constrained applications.
8. Wide Input Voltage Range: It can handle a wide input voltage range, enhancing its utility for global applications.
These features make the VIPER27LDTR well-suited for various power supply designs, such as adapters and auxiliary supplies.

The VIPER27LDTR is a high-voltage converter from STMicroelectronics, typically used in offline switch-mode power supplies and converters. It is available in a DIP-7 package, which features 7 pins. Here's a brief overview of its pin functions:
1. VDD (Pin 1): Supply voltage input. This pin powers the internal circuitry.
2. SOURCE (Pin 2): Ground reference and power return for the device.
3. FB (Pin 3): Feedback input. Used for regulation by connecting to an optocoupler or Zener diode for control loop feedback.
4. COMP (Pin 4): Compensation input. A capacitor connected to this pin stabilizes the control loop.
5. NC (Pin 5): No connection. This pin is not internally connected and may be used for mounting stability.
6. DRAIN (Pin 6): High-voltage drain of the internal power MOSFET. Connects to the transformer primary winding.
7. VDD (Pin 7): Duplicate supply voltage input for redundancy.
This compact package enables the VIPER27LDTR to deliver efficient performance in power conversion applications with integrated protection features.

The VIPER27LDTR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. The company serves various markets, including automotive, industrial, personal electronics, computer, and communication equipment sectors. STMicroelectronics is known for its expertise in integrated devices and its ability to provide comprehensive solutions that combine hardware, software, and systems knowledge.

The VIPER27LDTR is a high-voltage converter IC designed primarily for applications in the power management domain. Its main application areas include:
1. Switch Mode Power Supplies (SMPS): Used in adapters, battery chargers, and auxiliary power supplies for industrial systems.
2. Consumer Electronics: Powers televisions, set-top boxes, and home appliances.
3. Lighting: Drives LED lighting systems in both residential and commercial settings.
4. Industrial Controls: Powers control systems and instrumentation panels.
5. Home Automation: Used in smart home devices that require efficient power conversion.
These applications benefit from its integrated high-voltage startup, low power consumption, and protection features.

The VIPER27LDTR is typically available in a SO-8 (Small Outline) package type. This package is compact and commonly used for surface mounting on printed circuit boards, offering a balance of size efficiency and ease of handling for various electronic applications.