UC2845AD - Unitrode

Manufacturer Part Number

UC2845AD

Manufacturer

Microchip Technology

Introduction

The UC2845AD is a DC DC switching controller designed for power management applications.

Product Features and Performance

Step-Up, Step-Down functionality

Positive, Isolation Capable output configuration

Supports Boost, Buck, Flyback, Forward topologies

Single output with a single phase

Voltage supply range from 7.6V to 30V

Switching frequency up to 500kHz

Maximum duty cycle of 48%

Frequency Control feature

Product Advantages

Highly versatile for various circuit configurations

Capable of driving transistor output

Wide supply voltage range suitable for multiple applications

High frequency operation for efficient power conversion

Surface mount package for modern PCB designs

Key Technical Parameters

Output Type: Transistor Driver

Number of Outputs: 1

Output Phases: 1

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

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 48%

Mounting Type: Surface Mount

Package / Case: 14-SOIC

Quality and Safety Features

Operating temperature range of -40°C to 85°C ensures reliability in various environments

Compatibility

The device is offered in a 14-SOIC package compatible with standard surface mount processes

Application Areas

Power Management Systems

AC-DC Converters

DC-DC Converters

Battery Chargers

Isolated and Non-Isolated Power Supplies

Product Lifecycle

Product Status: Obsolete

Note: Customers should consider replacement or upgrade options as this model may no longer be in production.

Several Key Reasons to Choose This Product

Flexible application due to multiple topologies supported

Suitable for innovative power solutions with isolation capability

Wide operating temperature range for industrial applications

Obsolete status might favor legacy systems maintenance

High switching frequency for efficient power conversion systems