UC3845BDG - onsemi

Manufacturer Part Number

UC3845BDG

Manufacturer

onsemi

Introduction

UC3845BDG by onsemi is a versatile DC DC switching controller designed for power management applications, especially in step-up and step-up/step-down configurations. Its design focuses on efficient power conversion and control within electronic devices.

Product Features and Performance

Step-Up, Step-Up/Step-Down function for versatile power management

Capable of Positive output configuration with isolation capability

Supports Boost and Flyback topology

Single output with one output phase

Operates within a voltage supply range of 7.6V to 30V

Frequency switching up to 500kHz allows for efficient power conversion

Maximum duty cycle of 48%

No Synchronous Rectifier or Clock Sync for simplified design

Frequency Control feature for enhanced power management

Product Advantages

Flexibility in handling various power configurations

High switching frequency enables smaller size of external components

Isolation capability for safer and more reliable operation

Wide voltage range accommodates various power sources and needs

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 7.6V ~ 30V

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 48%

Operating Temperature: 0°C ~ 70°C (TA)

Quality and Safety Features

Designed for reliable operation within a standard temperature range

Isolation capability enhances safety in applications requiring separation between input and output

Compatibility

Suitable for surface mount technology with a 14-SOIC package

Works with a broad range of external components for versatile application

Application Areas

Power supplies

Battery chargers

LED drivers

Consumer electronics

Industrial control systems

Product Lifecycle

Obsolete; Consider alternatives for long-term projects

Availability of replacements or upgrades should be checked with onsemi

Several Key Reasons to Choose This Product

High flexibility in power management applications

Efficient and reliable operation with frequency control

Supports a wide range of input voltages for diverse applications

Isolation capability provides added safety

Suitable for multiple applications, from consumer electronics to industrial systems