UC3845AD - Microsemi Corporation

Manufacturer Part Number

UC3845AD

Manufacturer

microsemi

Introduction

The UC3845AD is a versatile DC DC Switching Controller designed for power management applications, capable of driving a transistor for boost, buck, flyback, and forward topologies.

Product Features and Performance

Supports step-up, step-down, and isolation functions

Compatible with boost, buck, flyback, and forward topologies

Single output with one phase

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

Maximum switching frequency up to 500kHz

Maximum duty cycle of 48%

Frequency control for precise operation

Product Advantages

Flexible voltage supply range for various applications

High switching frequency enabling efficient power conversion

Step-Up, Step-Down, and isolation capability for versatile use

Frequency control enhances performance accuracy

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)

Quality and Safety Features

Operates within a safe temperature range ensuring reliable performance

Compatibility

Surface mount device, compatible with 14-SOIC package mounting

Application Areas

Power management systems

DC to DC converters

Versatile power supply units

Electronic devices requiring boosted, bucked, or isolated voltages

Product Lifecycle

Obsolete status, making it critical to consider future availability and replacements

Several Key Reasons to Choose This Product

High flexibility in application due to its versatile output configurations and topology support

High-frequency operation allows for efficient and compact power supply designs

Frequency control capability for improved stability and precision in power management

Wide operating voltage range offers compatibility with various supply sources

Diverse application areas from simple power supplies to complex power management systems