UC3844AN - STMicroelectronics

Manufacturer Part Number

UC3844AN

Manufacturer

STMicroelectronics

Introduction

UC3844AN is a PWM controller IC for power supply applications.

Product Features and Performance

High performance, stable operation

Provides high efficiency and low noise

Supports step-up and step-up/down configurations

Isolation capable output for added safety

Capable of switching frequencies up to 500kHz

Product Advantages

Positive output configuration

48% maximum duty cycle for controllable output

Designed for simplicity in power supply design

Key Technical Parameters

Output Type: Transistor Driver

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

Voltage Supply: 10V ~ 30V

Switching Frequency: Up to 500kHz

Number of Outputs: 1

Output Phases: 1

Quality and Safety Features

Designed for a wide range of operating temperatures (0°C ~ 70°C)

Isolation capable output enhances safety

Compatibility

Through Hole mounting for easy compatibility with standard PCBs

8-DIP package integration suitable for several designs

Application Areas

Power supply modules

DC-DC converters

Battery chargers

Energy management systems

Product Lifecycle

Obsolete

Potential replacements or upgrades should be considered

Several Key Reasons to Choose This Product

High-frequency operation for optimized power conversion

Ability to work with a variety of supply voltages (10V to 30V)

Ease of incorporation into existing designs due to its through-hole packaging

Robustness in various temperature conditions

Lack of need for external sync reduces complexity