Manufacturer Part Number
FSFR1700US
Manufacturer
onsemi
Introduction
Power Management Integrated Circuit for AC to DC conversion in electronic devices
Product Features and Performance
High-efficiency half-bridge topology
Isolated output for better safety and noise immunity
Integrated switches simplify design
500V breakdown voltage allows for robust operation
Operates at switching frequencies up to 300kHz for improved transformer utilization
Supports up to 200W power output for high power applications
Features frequency control for improved performance
Includes fault protection mechanisms such as current limiting, over-temperature, and over-voltage protection
Product Advantages
Reduced component count due to integrated switches
Enhanced thermal performance
High-reliability levels suitable for demanding applications
Simplified design process for engineers
Built-in safety features for increased device longevity
Key Technical Parameters
Voltage - Breakdown: 500V
Voltage - Start Up: 12.5V
Voltage - Supply (Vcc/Vdd): 10V ~ 25V
Duty Cycle: 50%
Frequency - Switching: Up to 300kHz
Power (Watts): 200W
Operating Temperature Range: -40°C ~ 130°C (TJ)
Quality and Safety Features
Isolated Output
Current Limiting
Over Temperature Protection
Over Voltage Protection
Compatibility
Suitable for offline switching power supplies
Application Areas
Power supplies for consumer electronics
Industrial power systems
Telecommunication equipment
Office automation machines
Product Lifecycle
Obsolete status suggests the product is no longer being manufactured
Possible existence of replacements or upgrades
Several Key Reasons to Choose This Product
Optimized for high power density designs
Built-in features reduce additional external components
Simplified power supply design with integrated half-bridge controller
Support for high-frequency operation results in compact power supply size
Ability to withstand harsh operating conditions
Recommended for designs where long term reliability is paramount
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