STMicroelectronics VIPER16LDTR

The STMicroelectronics VIPER16LDTR is a high-voltage, monolithic integrated circuit designed for off-line switching power supplies. It operates in a wide range of power applications, such as adapters and chargers, and is optimized for high efficiency and cost-effective designs. Functions - Switching Regulator: The IC functions as a PWM (Pulse Width Modulation) controller to regulate output voltage. - High Voltage Start-Up: It incorporates a high-voltage start-up circuit that allows it to operate directly from the AC mains. - Integrated MOSFET: It contains a high-voltage power switch, simplifying the design and reducing component count. - Overload Protection: Features thermal and overload protection to increase reliability. - Feedback Control: The device utilizes a voltage feedback method to maintain stable output voltage. Applications - Power Supplies: Adaptors and chargers for consumer electronics. - LED Drivers: Efficient driving solutions for LED lighting. - Telecom Power Supply: Used in various telecommunication applications due to its reliability. - Home Appliances: Implements power supply circuitry in household devices. - Industrial Equipment: Suitable for supplying power to industrial devices. Alternative Parts - VIPER22LDTR: Similar functionality with slightly different specifications. - VIPER12A: A low-power alternative for smaller applications. - LNK304PN (Power Integrations): Another option for off-line switching regulators. - TL494: A more general-purpose PWM controller for similar applications, although it might require external MOSFETs. Embedded Modules - The VIPER16LDTR can be integrated into various daughter boards or development kits that focus on power supply designs. - It is also compatible with reference designs from STMicroelectronics, which can speed up the design process for developers. Related Q&A Q1: What are the main features of the VIPER16LDTR? - A1: The VIPER16LDTR features a high-voltage start-up circuit, an integrated MOSFET, PWM control for output voltage regulation, thermal and overload protection, and a small footprint. Q2: In which applications is the VIPER16LDTR most commonly used? - A2: It is commonly used in power supplies for adapters and chargers, LED drivers, and various industrial and home appliance applications. Q3: What are some alternative parts to the VIPER16LDTR? - A3: Alternative parts include the VIPER22LDTR, VIPER12A, LNK304PN, and TL494, depending on the specific requirements of the application. Q4: How does the VIPER16LDTR ensure reliability in power supply designs? - A4: The VIPER16LDTR features built-in thermal protection, overload protection, and a high-voltage startup which enhances reliability and reduces the need for additional components. Q5: Can the VIPER16LDTR be used for LED driver applications? - A5: Yes, the VIPER16LDTR is suitable for LED driver applications due to its high efficiency and ability to regulate output voltage for constant current driving of LEDs. These points provide a comprehensive view of the VIPER16LDTR and related information for users interested in this IC.