Manufacturer Part Number
VIPER37HE
Manufacturer
STMicroelectronics
Introduction
The VIPER37HE, part of the VIPer™ plus series by STMicroelectronics, is a component designed for power management, specifically AC DC converters and offline switches, tailored for isolated output configurations.
Product Features and Performance
Integrated high-voltage MOSFET with 800V breakdown voltage for robust operation under high stress.
Flyback topology support enabling compact and efficient power supply designs.
Built-in features for soft start and under-voltage lockout to ensure smooth operation.
Internal switch included, supporting up to an 80% duty cycle for efficient power conversion.
Frequency switching fixed at 115kHz allows for a good balance between efficiency and component size.
Offers power output capacity up to 20W, suitable for a wide range of low to medium power applications.
Product Advantages
High integration leads to a reduction in external components, simplifying design and lowering overall system cost.
High breakdown voltage provides improved reliability in fluctuating power environments.
Features like current limiting, over-temperature protection, and over-voltage protection enhance safety and longevity.
Operating temperature range of -40°C to 150°C ensures stable performance under extreme conditions.
Key Technical Parameters
Voltage Breakdown: 800V
Voltage Start Up: 14V
Voltage Supply (Vcc/Vdd): 8.5V ~ 23.5V
Duty Cycle: 80%
Frequency Switching: 115kHz
Power (Watts): 20W
Quality and Safety Features
Current limiting and over-temperature protection for critical fault management.
Over-voltage protection safeguards the device and connected apparatus from excessive input.
Designed to meet rigorous reliability standards of STMicroelectronics.
Compatibility
Through-hole mounting design supports a wide range of PCB layouts.
Compatible with various power supply designs due to its flexible power input and comprehensive protection features.
Application Areas
Suitable for use in low to medium power applications across consumer electronics.
Ideal for power supplies in lighting, home appliances, and industrial control systems.
Product Lifecycle
The VIPER37HE is currently active, indicating ongoing manufacturing and support.
It is not nearing discontinuation, and replacements or upgrades would be designated as newer members of the VIPer™ plus series if needed.
Several Key Reasons to Choose This Product
High electrical and thermal performance metrics, including an 800V breakdown voltage and a broad operating temperature range.
Inclusion of advanced protection features ensures the reliability and safety of both the component and the end product.
The efficiency of the design, supported by the flyback topology and 80% duty cycle, offers both energy savings and compactness.
STMicroelectronics’ reputation for quality in power management components adds an additional layer of decision confidence.
Compatibility with a wide range of applications due to its performance characteristics and package design.
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