UC2845BD1G - onsemi

Manufacturer Part Number

UC2845BD1G

Manufacturer

onsemi

Introduction

The UC2845BD1G is a high-performance, fixed-frequency, current-mode PWM controller for DC-DC converter applications.

Product Features and Performance

Operates at switching frequencies up to 500 kHz

Provides a 1-phase output

Supports boost, flyback, and step-up/step-down topologies

Offers voltage supply range of 7.6V to 30V

Features a maximum duty cycle of 48%

Includes frequency control functionality

Does not support clock synchronization

Product Advantages

High-speed operation up to 500 kHz

Versatile support for various DC-DC converter topologies

Wide input voltage range

Frequency control for optimized performance

Key Technical Parameters

Manufacturer Part Number: UC2845BD1G

Package: 8-SOIC (0.154", 3.90mm Width)

Output Type: Transistor Driver

Mounting Type: Surface Mount

Operating Temperature: -25°C to 85°C (TA)

Number of Outputs: 1

Output Configuration: Positive, Isolation Capable

Synchronous Rectifier: No

Switching Frequency: Up to 500 kHz

Topology: Boost, Flyback

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

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

Control Features: Frequency Control

Clock Sync: No

Maximum Duty Cycle: 48%

Output Phases: 1

Quality and Safety Features

RoHS3 compliant

Compatibility

The UC2845BD1G is compatible with a wide range of DC-DC converter applications.

Application Areas

Switching power supplies

DC-DC converters

Industrial and consumer electronics

Product Lifecycle

The UC2845BD1G is an actively supported product, and there are no indications of it being discontinued. Replacement or upgrade options may be available from onsemi.

Key Reasons to Choose This Product

High-speed operation up to 500 kHz for efficient power conversion

Versatile support for various DC-DC converter topologies, allowing flexible design

Wide input voltage range of 7.6V to 30V for broad application compatibility

Frequency control functionality for optimized performance

RoHS3 compliance for environmental safety

Actively supported product with potential replacement or upgrade options available