Manufacturer Part Number
UC3845BN
Manufacturer
onsemi
Introduction
The UC3845BN is a high-performance DC DC switching controller designed for power management applications, providing efficient power conversion and control.
Product Features and Performance
Ability to operate in both step-up and step-down modes
Support for positive output configuration with isolation capability
Utilizes Boost and Flyback topologies for flexible power conversion
Single output with one output phase for simplified design
Operates on supply voltage ranging from 7.6V to 30V
High frequency switching capability of up to 500kHz
Maximum 48% duty cycle for efficient power handling
Frequency control for adjustable operation
Product Advantages
High flexibility in application due to boost and flyback topologies
Efficient power use and heat management due to high switching frequency
Simplified circuit design with its single output and phase
Ease of integration into various systems with its through-hole mounting
Key Technical Parameters
Output Type: Transistor Driver
Voltage Supply (Vcc/Vdd): 7.6V ~ 30V
Frequency Switching: Up to 500kHz
Duty Cycle (Max): 48%
Operating Temperature: 0°C ~ 70°C (TA)
Package / Case: 8-DIP
Quality and Safety Features
The UC3845BN is designed to meet the high quality and safety standards required for power management applications, ensuring reliable performance in diverse conditions.
Compatibility
Designed for universal compatibility with a wide range of power management applications, including demanding industrial environments.
Application Areas
Power supply modules
LED lighting systems
Charging systems
Portable devices
Industrial controls
Product Lifecycle
This product is listed as obsolete, indicating that it may be near the end of its production life. Potential buyers should consider available replacements or upgrades.
Several Key Reasons to Choose This Product
Flexible application due to dual step-up/step-down operation mode
High efficiency and thermal performance with up to 500kHz switching frequency
Reliable operation within a broad range of supply voltages (7.6V to 30V)
Easy integration into existing designs with through-hole mounting
Suitable for a variety of applications from LED drivers to power supplies
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