Manufacturer Part Number
UC3843BVD1G
Manufacturer
onsemi
Introduction
Power Management Integrated Circuit for DC-DC Switching.
Product Features and Performance
Up to 500kHz Switching Frequency
Maximum Duty Cycle of 96%
Capable of Positive Output Configuration
Supports Isolation
Boost and Flyback Topology Options
Surface Mount 8-SOIC Package
Product Advantages
High-frequency operation for compact power supply designs.
High duty cycle for efficient power conversion.
Versatility with Step-Up and Step-Up/Step-Down Functions.
Isolation capability for safety and signal integrity.
Key Technical Parameters
Number of Outputs: 1
Output Phases: 1
Voltage Supply Range: 7.6V to 30V
Operating Temperature Range: -40°C to 105°C
Quality and Safety Features
Operational over a wide temperature range for reliability.
Compatibility
Suitable for use in various power conversion applications.
Designed for Surface Mount technology for ease of PCB design.
Application Areas
Used in power supply units where boost or flyback topology is required.
Product Lifecycle
Obsolete - Confirmation on replacement or upgrade options needed.
Several Key Reasons to Choose This Product
High switching frequency allows for smaller passive components.
Efficient power conversion attributable to a high allowable duty cycle.
Flexibility in designing both step-up and step-down power supplies.
Support for isolated power supply designs enhances safety.
Operational across a wide range of input voltages and temperatures.