VIPER28LDTR
- Mfr.Part #
- VIPER28LDTR
- Manufacturer
- STMicroelectronics
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH FLYBACK 16SO
- Stock
- 20,193
- In Stock :
- 20,193
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- Manufacturer :
- STMicroelectronics
- Product Category :
- AC DC Converters, Offline Switches
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Output Isolation :
- Isolated
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Operating Temperature :
- -40°C~150°C TJ
- Max Duty Cycle :
- 80 %
- Max Power Dissipation :
- 20W
- Terminal Form :
- Gull wing
- Series :
- VIPer™ plus
- Fault Protection :
- Current Limiting, Over Temperature, Over Voltage, Short Circuit
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 16
- Packaging :
- Tape and Reel (TR)
- Control Mode :
- CURRENT-MODE
- Qualification Status :
- Not Qualified
- Number of Outputs :
- 1
- Pin Count :
- 16
- Voltage - Supply (Vcc/Vdd) :
- 8.5V~23.5V
- Output Current :
- 1.2A
- ECCN Code :
- EAR99
- REACH SVHC :
- No SVHC
- Power Rating :
- 1.5W
- Factory Lead Time :
- 12 Weeks
- Output Power :
- 20W
- Nominal Supply Current :
- 2.5mA
- Width :
- 3.9mm
- Input Voltage-Nom :
- 14V
- Mount :
- Surface Mount
- Min Input Voltage :
- 8.5V
- Topology :
- Flyback
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Pins :
- 16
- Switcher Configuration :
- Single
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Length :
- 10mm
- Frequency - Switching :
- 60kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Power (Watts) :
- 16W
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Voltage :
- 800V
- Number of Functions :
- 1
- Voltage - Start Up :
- 14V
- Max Input Voltage :
- 23.5V
- Internal Switch(s) :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Position :
- Dual
- JESD-609 Code :
- e4
- Base Part Number :
- VIPER28
- Datasheets
- VIPER28LDTR
VIPER28LDTR Documents

AC DC Converters, Offline Switches STMicroelectronics VIPER28LDTR Overview
The VIPER28LDTR from STMicroelectronics is an advanced IC offline switch specifically designed for flyback converters, marking a significant advancement in the field of power management. This integrated circuit is engineered to support both isolated and non-isolated configurations, providing a versatile solution for a broad range of power supply applications. The VIPER28LDTR excels in combining cost-effectiveness with high performance, offering enhanced energy efficiency and reliability. Ideal for developers looking to streamline their design processes, this chip simplifies the development of robust and compact power supplies while ensuring compliance with stringent energy-saving standards.
VIPER28LDTR Features
The VIPER28LDTR includes several key features that make it a top choice for power supply design. It supports a wide input voltage range, allowing for flexible applications across different power systems. The device offers an integrated error amplifier and oscillator, which significantly enhances the overall performance and reliability of the system. Additionally, it includes over-temperature, over-current, and over-voltage protections, ensuring safe operation under a variety of conditions. Its high efficiency and low power consumption make it an environmentally friendly choice for energy management solutions.
VIPER28LDTR Applications
- Consumer Electronics: Utilized in TVs, gaming consoles, and home appliances, the VIPER28LDTR ensures stable and efficient power conversion, enhancing device safety and energy efficiency.
- Industrial Equipment: In applications such as automated machinery and control systems, this IC helps to provide reliable power supply solutions, crucial for maintaining consistent performance and operational safety.
- Smart Home Devices: For devices like smart thermostats and lighting systems, the VIPER28LDTR contributes to compact power solutions, which are essential for integrating into limited spaces while achieving high energy efficiency.
- Power Tools: Used in cordless power tools, the chip offers the robustness required for managing fluctuating loads, thus ensuring tool reliability and longevity.
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