Texas Instruments

UC2842ADW  

Power Supply Controllers, Monitors

UC2842ADW Description

The UC2842ADW is a high-performance PWM (Pulse Width Modulation) controller designed for a wide range of power management applications. Manufactured by Texas Instruments, this IC is part of the UCx84xA series and is housed in a 16SOIC package, making it suitable for surface mount applications. The UC2842ADW operates within a supply voltage range of 10V to 30V and draws a supply current of 11 mA, ensuring efficient power usage. This product is currently in the "Last Time Buy" stage, indicating that it is a reliable choice for legacy systems and existing designs.

UC2842ADW Features

The UC2842ADW offers several unique features that set it apart from similar PWM controllers in the market:

• Wide Operating Voltage Range: With a supply voltage range of 10V to 30V, the UC2842ADW is versatile and can be used in various power supply designs without requiring additional voltage regulation components.
• Low Supply Current: Drawing only 11 mA of supply current, this IC is highly efficient and minimizes power loss, making it ideal for applications where power efficiency is critical.
• Surface Mount Compatibility: The UC2842ADW is designed for surface mount technology (SMT), which allows for compact and reliable PCB designs, reducing the overall footprint and improving thermal performance.
• Compliance and Safety: The UC2842ADW is REACH unaffected and RoHS3 compliant, ensuring that it meets the latest environmental and safety standards. This compliance is crucial for manufacturers aiming to adhere to global regulations.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the UC2842ADW is highly resistant to moisture, making it suitable for use in a variety of environmental conditions without the need for special handling or packaging.

UC2842ADW Applications

The UC2842ADW is well-suited for a variety of applications due to its robust performance and wide operating range. Some specific use cases include:

• Boost Converters: Ideal for applications requiring voltage boosting, such as in LED lighting systems or portable electronic devices where a higher output voltage is needed.
• Flyback Converters: Suitable for isolated power supplies, such as in medical equipment or industrial control systems, where safety and reliability are paramount.
• DC-to-DC Converters: Can be used in power modules and telecom equipment where efficient power conversion is essential.
• Switching Power Supplies: Applicable in a wide range of consumer electronics, including TVs, monitors, and gaming consoles, where compact and efficient power solutions are required.

Conclusion of UC2842ADW

The UC2842ADW PWM controller from Texas Instruments is a versatile and efficient solution for a variety of power management applications. Its wide operating voltage range, low supply current, and surface mount compatibility make it an excellent choice for designers looking to optimize their power supply designs. The UC2842ADW's compliance with environmental and safety standards, along with its robust moisture resistance, further enhance its appeal. Whether used in boost converters, flyback converters, or other power supply applications, the UC2842ADW offers reliable performance and significant advantages over similar models.

UC2842ADW Documents

Download datasheets and manufacturer documentation for UC2842ADW

Datasheets :

UC1842A-45A, UC2842A-45A, UC3842A-45A      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023      

HTML Datasheet :

UC1842A-45A, UC2842A-45A, UC3842A-45A      

PCN Design/Specification :

UCYYY 13/DEC/2017