Manufacturer Part Number
MC33025DW
Manufacturer
onsemi
Introduction
High-frequency Half-Bridge Controller for AC DC Converters and Offline Switching
Product Features and Performance
Half-Bridge Topology
1MHz Switching Frequency
Soft Start Capability
Frequency Control
Current Limiting Fault Protection
Operating Temperature Range -40°C to 105°C
Surface Mount Package
Product Advantages
High Switching Frequency for Reduced Transformer Size
Soft Start Function Minimizes Inrush Current
Current Limiting Enhances System Safety
Wide Supply Voltage Range (8.4V to 30V)
Thermal Shutdown Feature
Key Technical Parameters
Topology: Half-Bridge
Duty Cycle: 45%
Voltage - Start Up: 9.2V
Voltage - Supply (Vcc/Vdd): 8.4V ~ 30V
Frequency - Switching: 1MHz
Operating Temperature: -40°C ~ 105°C
Package: 16-SOIC
Quality and Safety Features
Overcurrent Protection
Thermal Shutdown
Soft Start to Prevent Component Stress
Compatibility
Suitable for AC DC Converters and Offline Switch Applications
Application Areas
Switching Power Supplies
Power Conversion Systems
Motor Control Circuits
Product Lifecycle
Obsolete
Availability of Replacements or Upgrades Should Be Verified
Several Key Reasons to Choose This Product
High Frequency Operation Enables More Compact Design
Built-In Safety Features for Enhanced Protection
Versatile Supply Voltage Fit for a Broad Range of Applications
Suitable for High-Temperature Environments
Ease of Integration with Surface Mount Package