UC2844AN - STMicroelectronics

Manufacturer Part Number

UC2844AN

Manufacturer

STMicroelectronics

Introduction

The UC2844AN is a high-performance, obsolete DC-DC switching controller designed for power management applications. It is capable of step-up, step-down functions with positive output and isolation capabilities.

Product Features and Performance

Transistor Driver output type

Supports Boost and Flyback topologies

Designed for step-up and step-up/step-down applications

Single output with one phase

Operates within a supply voltage range of 10V to 30V

Allows switching frequencies up to 500kHz

Maximum duty cycle of 48%

Does not support synchronous rectification

Lacks clock synchronization

Frequency control feature for better performance

Product Advantages

Flexible operation with both boost and flyback configurations

High switching frequency for efficient power conversion

Frequency control for optimized system performance

Isolation capability suits a variety of application needs

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 10V ~ 30V

Switching Frequency: Up to 500kHz

Duty Cycle (Max): 48%

Operating Temperature: -25°C ~ 85°C

Mounting Type: Through Hole

Package/Case: 8-DIP

Quality and Safety Features

Designed for reliable operation in temperatures ranging from -25°C to 85°C

Compatibility

Through-hole mounting for broad PCB compatibility

Application Areas

Power supply units

DC-DC converters

Isolated power converters

Product Lifecycle

Obsolete status indicates nearing discontinuation, with potential availability of replacements or upgrades within STMicroelectronics' range.

Several Key Reasons to Choose This Product

High switching frequency allows for efficient power conversion and compact designs.

Frequency control provides flexibility in managing system performance.

The standalone device is capable of handling both step-up and step-down functions, making it versatile for various applications.

Its capability for isolation makes it suitable for sensitive electronic applications requiring electrical isolation.

Despite its obsolete status, its performance characteristics make it a potential choice for designs where modern equivalents are not necessary or specific features are required.