Unitrode

UC2842AD  

Power Supply Controllers, Monitors

UC2842AD Description

The UC2842AD is a high-performance current mode PWM (Pulse Width Modulation) controller designed by Unitrode, a leading manufacturer in the power management industry. This device is part of the UC2842 family and is specifically tailored for surface mount applications, making it ideal for modern electronic designs that require compact and efficient power management solutions. The UC2842AD is available in bulk packaging, ensuring ease of integration into various manufacturing processes. With an ECCN classification of EAR99 and HTSUS code 8542.39.0001, it is compliant with international trade regulations, facilitating global distribution and use.

UC2842AD Features

The UC2842AD offers several key features that set it apart from other PWM controllers in the market:

• Current Mode Control: This feature allows for precise control of the output current, ensuring stable and reliable power delivery. The current mode control also simplifies the design process and enhances the loop stability.
• High Frequency Operation: The UC2842AD supports high switching frequencies, enabling the use of smaller inductors and capacitors in the power supply design. This not only reduces the overall size of the power supply but also improves efficiency and transient response.
• Error Amplifier: The built-in error amplifier provides accurate voltage regulation, ensuring that the output voltage remains within tight tolerances despite variations in input voltage and load conditions.
• Protection Features: The UC2842AD includes comprehensive protection features such as overcurrent protection, undervoltage lockout, and thermal shutdown. These features safeguard the device and the connected circuitry from potential damage, enhancing the reliability and longevity of the power supply.
• Low Quiescent Current: The device operates with low quiescent current, which is crucial for applications where power consumption needs to be minimized, especially in standby or low-power modes.

UC2842AD Applications

The UC2842AD is highly versatile and finds applications in a wide range of electronic devices and systems:

• Switching Power Supplies: The UC2842AD is ideal for designing efficient and compact switching power supplies for various consumer electronics, industrial equipment, and telecommunications infrastructure.
• DC-DC Converters: Its high-frequency operation and precise current control make it suitable for DC-DC converters used in embedded systems, automotive electronics, and portable devices.
• Battery Chargers: The device can be used in battery charging circuits, providing accurate current and voltage control to ensure safe and efficient charging of batteries.
• Solar Inverters: The UC2842AD can be employed in solar inverters to manage the power conversion process efficiently, maximizing energy transfer and system performance.

Conclusion of UC2842AD

The UC2842AD by Unitrode is a robust and versatile current mode PWM controller that offers significant advantages in terms of performance, reliability, and ease of integration. Its high-frequency operation, precise current control, and comprehensive protection features make it an ideal choice for a wide range of power management applications. Whether used in switching power supplies, DC-DC converters, battery chargers, or solar inverters, the UC2842AD ensures efficient power delivery and reliable operation. Its active product status and surface mount packaging further enhance its suitability for modern electronic designs, making it a standout option in the power management industry.

UC2842AD Documents

Download datasheets and manufacturer documentation for UC2842AD

Datasheets :

UC2842A Datasheet