VIPER27LDTR

The VIPER27LDTR is a monolithic high-voltage converter specifically designed for offline power supply applications. It integrates a PWM controller and a high-voltage power MOSFET in a single package, offering efficient energy conversion and compact design benefits. This device is particularly useful for applications requiring a wide input voltage range and high efficiency, such as in power adapters, chargers, and consumer electronics.
Key features of the VIPER27LDTR include overcurrent, overvoltage, and thermal protection, which enhance its reliability and safety. It also supports low standby power consumption, an essential factor for meeting energy efficiency standards. The device's primary-side regulation capability simplifies the design process by eliminating the need for an optocoupler and secondary feedback circuitry.
The VIPER27LDTR is available in a compact surface-mount package, making it suitable for space-constrained applications. Its design facilitates easy implementation of isolated and non-isolated power supply topologies, such as flyback converters. Overall, the VIPER27LDTR offers a robust solution for designers seeking a versatile, efficient, and reliable power conversion component.

The VIPER27LDTR is a high-voltage converter designed for efficient power supply applications. Key features include:
1. Integrated Power MOSFET: Comes with a built-in 800 V avalanche-rugged power MOSFET, enhancing efficiency and reliability.
2. Wide Input Voltage Range: Supports a wide input voltage range, making it versatile for various applications.
3. Current-Mode Control: Utilizes current-mode PWM control for precise regulation and simplifying compensation design.
4. Low Standby Power Consumption: Designed for low standby power, improving energy efficiency in off-mode.
5. Overload and Short-Circuit Protections: Includes overload, short-circuit, and thermal shutdown protections, enhancing safety and durability.
6. High-Voltage Startup: Features a high-voltage startup current source, eliminating the need for an auxiliary winding.
7. Frequency Jittering: Offers frequency jittering to reduce electromagnetic interference (EMI).
8. Auto-Restart: Provides an auto-restart function after fault conditions, improving system robustness.
9. Compact Package: Available in a compact, surface-mountable SO16 package, saving space in design.
These features make the VIPER27LDTR suitable for applications like power adapters, chargers, and standby power supplies where efficiency, compactness, and reliability are crucial.

The VIPER27LDTR is a device that comes in a DIP-7 (Dual In-line Package with 7-pins) package type. This package style is commonly used for through-hole mounting on circuit boards.

The VIPER27LDTR is a high-voltage converter from STMicroelectronics that is typically used in power supply applications. It comes in an 8-pin package. Here is a brief description of its pin functions:
1. Pin 1 (GND): Ground reference for the device.
2. Pin 2 (VDD): Supply voltage pin. It provides power to the internal circuitry.
3. Pin 3 (FB): Feedback pin. Used to regulate output voltage by comparing the feedback voltage with an internal reference.
4. Pin 4 (COMP): Compensation pin. It is used to stabilize the control loop by connecting a compensation network.
5. Pin 5 (N.C.): No Connection. This pin is not internally connected and is generally left unconnected in the circuit.
6. Pin 6 (ZCD): Zero Current Detection pin. Used for transformer demagnetization detection to ensure efficient flyback operation.
7. Pin 7 (Drain): Drain of the internal power MOSFET. It is connected to the high-voltage input.
8. Pin 8 (SOURCE): Source of the internal power MOSFET. It is connected to the return path of the power switch.
The VIPER27LDTR is designed to provide efficient power conversion with features like protection against overvoltage, overload, and thermal shutdown.

The VIPER27LDTR is manufactured by STMicroelectronics, a leading global semiconductor company. STMicroelectronics specializes in the design, development, manufacture, and sale of a wide range of semiconductor products, including integrated circuits and discrete devices. The company serves various markets, including automotive, industrial, personal electronics, communications equipment, and more. STMicroelectronics is known for its innovative solutions that drive advancements in technology across these sectors.

The VIPER27LDTR is a high-voltage converter with integrated power MOSFET, suitable for various applications including isolated flyback and buck-boost converters. Typical application areas include power supplies for industrial electronics, adapters and chargers for consumer electronics, smart meters, and home appliances. It is also used in LED drivers due to its energy efficiency and ability to operate over a wide input voltage range. The device supports standby power reduction, making it ideal for eco-friendly applications.

The VIPER27LDTR is a high-voltage converter from STMicroelectronics used in switching power supplies. Equivalent products include:
1. Power Integrations' TOPSwitch series (e.g., TOP264VG)
2. ON Semiconductor's NCP1014 series
3. Texas Instruments' UCC28700
These alternatives vary in specifications, so a detailed comparison of parameters like voltage, current capacity, and features is recommended before substitution.