Texas Instruments

UC2842DW

UC2842DW Description

The UC2842DW is a PWM (Pulse Width Modulation) controller designed for power management applications. Manufactured by Texas Instruments, this IC is part of the UC284x series and is housed in a 16-lead SOIC package. It is designed for surface mount applications and offers a supply voltage range of 12V to 28V. The UC2842DW is capable of operating with a supply current of 11 mA, making it suitable for a variety of power management tasks. This component is classified under the ECCN code EAR99 and is REACH unaffected, ensuring compliance with international regulations. It is also RoHS3 compliant, adhering to environmental standards for hazardous substances. The UC2842DW is packaged in a tube and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions.

UC2842DW Features

• PWM Controller: The UC2842DW is specifically designed to control pulse width modulation, providing precise control over power delivery.
• Supply Voltage Range: With a wide operating voltage range of 12V to 28V, this IC is versatile and can be used in various power management systems.
• Low Supply Current: Consuming only 11 mA, the UC2842DW is energy-efficient, making it ideal for applications where power consumption is a critical factor.
• Surface Mount Compatibility: The surface mount technology (SMT) ensures easy integration into modern PCB designs, enhancing reliability and reducing the overall footprint.
• Compliance and Standards: The UC2842DW is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Packaging and Storage: The tube packaging and MSL 1 rating make it suitable for long-term storage and handling without the risk of moisture damage.

UC2842DW Applications

The UC2842DW is particularly well-suited for applications requiring precise control over power delivery and efficiency. Some specific use cases include:

• Boost Converters: Ideal for applications where the output voltage needs to be higher than the input voltage, such as in LED lighting systems.
• Flyback Converters: Suitable for isolated power supplies, where the UC2842DW can control the switching frequency and duty cycle to ensure stable power output.
• Power Management Systems: Can be used in various power management systems, including those in consumer electronics, industrial equipment, and automotive applications.
• Battery Chargers: Provides precise control over charging currents and voltages, ensuring safe and efficient battery charging.

Conclusion of UC2842DW

The UC2842DW is a robust PWM controller designed for a wide range of power management applications. Its low supply current, wide voltage range, and surface mount compatibility make it an ideal choice for modern electronics. Compliance with REACH and RoHS3 standards ensures it meets environmental and regulatory requirements. While the UC2842DW is now obsolete, it remains a reliable option for legacy systems and applications where its unique features and performance benefits are still highly valued.