Manufacturer Part Number
VIPER26LD
Manufacturer
stmicroelectronics
Introduction
The VIPER26LD from stmicroelectronics is part of the VIPer™ plus series, specializing in Power Management ICs, specifically targeted at AC DC converters and offline switches. It comes in a tube packaging designed primarily for use in compact, high-efficiency power supplies.
Product Features and Performance
Integrated with a high-voltage power MOSFET with 800V breakdown voltage.
Capable of operating in either isolated or non-isolated flyback topology.
Features startup voltage of 13V and an operational supply voltage range of 11.5V to 23.5V.
Designed with a 70% duty cycle and switching frequency set at 60kHz.
Provides a power output capability of up to 20W.
Incorporates protection features including current limiting and over-temperature shutdown.
Versatile control features for enhanced operational flexibility.
Product Advantages
The high breakdown voltage allows for reliable operation under high input voltage conditions.
Flyback topology support enables flexible application in both isolated and non-isolated systems.
Embedded protection features enhance safety, reliability, and longevity of the device.
Its compact 16-SOIC package enables easy integration into space-constrained designs.
Key Technical Parameters
Voltage Breakdown: 800V
Topology: Flyback
Voltage Start Up: 13V
Voltage Supply (Vcc/Vdd): 11.5V ~ 23.5V
Duty Cycle: 70%
Frequency Switching: 60kHz
Power (Watts): 20W
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
Embedded current limiting and over-temperature protection features safeguard against potential damage from overloads and excessive temperature conditions.
Compatibility
Designed to be compatible with a wide range of AC/DC power supply applications, owing to its flexible voltage requirements and adjustable duty cycle.
Application Areas
Switched-mode power supplies (SMPS)
LED drivers
Standby power supply systems
Auxiliary power supplies for industrial, consumer electronics, and home appliances
Product Lifecycle
Status: Active
Not nearing discontinuation, ensuring long-term availability. Replacements or upgrades are readily available within the VIPer™ plus series for varying application demands.
Several Key Reasons to Choose This Product
High reliability and robustness due to its 800V breakdown voltage and embedded protection features.
Flexible application potential, supported by its adaptable flyback topology and wide operating voltage range.
Optimized for energy-efficient power supply designs with a compact footprint, suitable for modern electronic applications.
Long-term availability and support, making it a secure choice for both new designs and existing applications requiring maintenance or upgrades.
VIPER27HSTMicroelectronics