UC2845BN - STMicroelectronics

Manufacturer Part Number

UC2845BN

Manufacturer

stmicroelectronics

Introduction

The UC2845BN is a versatile DC DC Switching Controller designed for power management applications where efficiency and reliability are focal points. Ideal for both step-up and step-up/step-down operations, the device supports isolated configurations.

Product Features and Performance

Supports Boost and Flyback topologies

Operates with a single output that can handle positive and isolation-capable output configurations

High-frequency operation up to 500kHz which allows for smaller-sized components

Maximum duty cycle of 48% to suit various application demands

Product Advantages

High temperature operational range from -40°C to 150°C making it suitable for harsh environments

Versatile voltage supply range from 7.6V to 30V, accommodating a variety of power sources

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Number of Outputs: 1

Output Phases: 1

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

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 48%

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

Through-hole mounting type ensures robust and secure soldering points for reliable connectivity and performance

The device operates efficiently within a wide range of temperatures ensuring stability and safety under different environmental conditions

Compatibility

The UC2845BN can be utilized in various power management applications both in consumer and industrial markets due to its flexible features and high reliability

Application Areas

Power supply modules

Battery-operated devices

Renewable energy systems

Communication equipment

Product Lifecycle

Currently marked as Active, the UC2845BN is in continuous production with no immediate plans for discontinuation

Future replacements or upgrades are likely to be announced ensuring long-term support

Several Key Reasons to Choose This Product

High switching frequency permits the use of less bulky smoothing components, reducing the overall size and cost

Capable of handling high temperatures, ensuring reliability in critical applications

Broad input voltage range allows flexibility in design for various power environments

Through-hole package ensures durability and ease of replacement or repair if necessary