Manufacturer Part Number
NCP1051ST44T3G
Manufacturer
onsemi
Introduction
The NCP1051ST44T3G is an offline power supply controller from onsemi. It is a highly integrated, single-chip flyback controller with a high-voltage start-up circuit, current-mode control, and advanced protection features. This controller is designed for offline power supplies and AC-DC converters in a wide range of applications.
Product Features and Performance
Isolated flyback topology with up to 700V breakdown voltage
Internal high-voltage startup circuit
Current-mode control for improved line and load regulation
44 kHz fixed-frequency operation
Up to 77% duty cycle
40W power capability
Advanced protection features including current limiting, open-loop, overload, and over-temperature protection
Product Advantages
Highly integrated solution reducing component count and cost
Robust protection features ensure reliable and safe operation
Fixed-frequency operation simplifies transformer design
Wide operating temperature range of -40°C to 150°C
Key Reasons to Choose This Product
Reliable and efficient offline power supply control
Compact and cost-effective solution
Suitable for a wide range of AC-DC conversion applications
Excellent protection against various fault conditions
Quality and Safety Features
Robust design with advanced protection mechanisms
Complies with safety standards for offline power supplies
Suitable for use in harsh environments
Compatibility
Designed for use in offline power supplies and AC-DC converters
Can be integrated into a variety of electronic devices and systems
Application Areas
Consumer electronics
Industrial equipment
Household appliances
Medical devices
Telecommunications equipment
Product Lifecycle
The NCP1051ST44T3G is an obsolete product, meaning it is no longer in active production. However, there may still be limited stock available. If you require this specific model or need assistance finding a suitable alternative, please contact our website's sales team for more information.