UC3845BN - onsemi

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