Manufacturer Part Number
UC3844BD1
Manufacturer
onsemi
Introduction
The UC3844BD1 is a DC DC switching controller designed for efficient power management and voltage regulation.
Product Features and Performance
Transistor driver output type
Capable of Step-Up and Step-Up/Step-Down functions
Supports configurations that are positive and isolation capable
Utilizes Boost and Flyback topologies
Single output with a single phase
Frequency switching up to 500kHz
Maximum duty cycle of 48%
Incorporates frequency control features
Product Advantages
Flexible voltage supply range from 10V to 36V
Isolation capability enhances safety and design flexibility
High switching frequency allows for smaller external components
Key Technical Parameters
Voltage Supply (Vcc/Vdd): 10V ~ 36V
Frequency Switching: Up to 500kHz
Duty Cycle (Max): 48%
Operating Temperature: 0°C ~ 70°C (TA)
Quality and Safety Features
Isolation capability for safer operation in electrically noisy environments
Compatibility
Surface mount configuration for compatibility with modern PCB technologies
Application Areas
Ideal for power management in consumer electronics
Suitable for industrial control systems demanding reliable power supply solutions
Product Lifecycle
Obsolete product status
Limited availability of replacements or upgrades
Several Key Reasons to Choose This Product
High frequency switching capability enables compact and efficient designs
Wide range of operating voltage accommodates varied application requirements
Isolation feature provides additional protection against voltage spikes and surges
Obsolete status might appeal for specific niche applications or as a replacement part in existing designs where design revision isn’t feasible.