Texas Instruments

UC2843D8G4  

Power Supply Controllers, Monitors

UC2843D8G4 Description

The UC2843D8G4 is a high-performance PWM controller designed for a wide range of power management applications. Manufactured by Texas Instruments, this IC belongs to the UCx84x series and is housed in an 8SOIC package. It is specifically engineered to operate within a supply voltage range of 12V to 28V, making it suitable for various power supply designs. The device draws a supply current of only 11 mA, ensuring efficient power usage and minimal energy loss.

UC2843D8G4 Features

The UC2843D8G4 offers several unique features that set it apart from similar PWM controllers in the market. Key features include:

• Wide Operating Voltage Range: With a supply voltage range of 12V to 28V, the UC2843D8G4 can be used in diverse power supply applications without requiring additional voltage regulation components.
• Low Supply Current: Drawing only 11 mA, this PWM controller ensures minimal power consumption, making it ideal for energy-efficient designs.
• Surface Mount Technology: The surface mount mounting type allows for compact and reliable PCB designs, suitable for both high-density and high-reliability applications.
• Compliance and Safety: The UC2843D8G4 is REACH unaffected and RoHS3 compliant, ensuring that it meets the highest environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 1, which means it is suitable for unlimited exposure to ambient conditions, reducing the risk of moisture-related failures.
• Packaging: The device is packaged in a tube, which provides protection during shipping and handling, ensuring the integrity of the components.

UC2843D8G4 Applications

The UC2843D8G4 is versatile and can be applied in various power management scenarios, including:

• Switching Power Supplies: Ideal for designing efficient and compact switching power supplies, the UC2843D8G4 ensures precise control and regulation of the power conversion process.
• DC-to-DC Converters: Its wide operating voltage range and low supply current make it suitable for high-efficiency DC-to-DC conversion applications.
• Battery Chargers: The device can be used in battery charging circuits to provide accurate control and regulation of the charging process, ensuring optimal battery performance and longevity.
• Motor Control: The UC2843D8G4 can be employed in motor control applications to regulate the speed and torque of the motor, providing precise control and energy efficiency.

Conclusion of UC2843D8G4

The UC2843D8G4 PWM controller from Texas Instruments is a robust and versatile solution for power management applications. Its wide operating voltage range, low supply current, and surface mount technology make it an ideal choice for a variety of power supply designs. With its compliance to environmental and safety standards, the UC2843D8G4 ensures reliable performance and minimal environmental impact. Whether used in switching power supplies, DC-to-DC converters, battery chargers, or motor control applications, the UC2843D8G4 offers superior performance and efficiency, making it a standout choice in the power management industry.

UC2843D8G4 Documents

Download datasheets and manufacturer documentation for UC2843D8G4

Datasheets :

UC1842-45, UC2842-45, UC3842-45      

HTML Datasheet :

UC1842-45, UC2842-45, UC3842-45      

PCN Design/Specification :

US18/28/38 DataSheet Update 4/Jan/2017