Texas Instruments

UC3842ADTR  

Power Supply Controllers, Monitors

UC3842ADTR Description

The UC3842ADTR is a high-performance PWM 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 14-pin SOIC package, making it suitable for surface-mount applications. The UC3842ADTR operates within a temperature range of 0°C to 70°C (TA), ensuring reliable performance in various environmental conditions.

Key technical specifications include a supply voltage range of 10V to 30V and a supply current of 11 mA. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Packaged in tape and reel (TR), the UC3842ADTR also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage conditions.

UC3842ADTR Features

The UC3842ADTR offers several unique features that set it apart from similar PWM controllers:

• Wide Operating Voltage Range: The ability to operate between 10V and 30V supply voltage makes it versatile for various power supply designs.
• Low Supply Current: With a supply current of only 11 mA, the UC3842ADTR is highly efficient, minimizing power consumption and heat generation.
• Surface-Mount Compatibility: The 14SOIC package is ideal for surface-mount technology (SMT), enabling compact and reliable PCB designs.
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the UC3842ADTR meets global regulatory requirements, ensuring safe and sustainable use.
• Moisture Sensitivity: With an MSL of 1, the device can be stored indefinitely without the need for special handling, simplifying inventory management.

UC3842ADTR Applications

The UC3842ADTR is well-suited for a variety of applications, particularly in power management and control systems. Its primary use case is as a PWM controller, where it can efficiently regulate power delivery and manage switching frequencies. Specific applications include:

• Switching Power Supplies: Ideal for designing compact and efficient power supplies with high power density.
• DC-to-DC Converters: Provides precise control over voltage conversion processes, ensuring stable and reliable power output.
• Motor Control Systems: Enhances the performance of motor control applications by delivering accurate PWM signals.
• Industrial Power Management: Suitable for industrial applications requiring robust and reliable power control solutions.

Conclusion of UC3842ADTR

The UC3842ADTR from Texas Instruments is a robust and versatile PWM controller designed for a wide range of power management applications. Its wide operating voltage range, low supply current, and surface-mount compatibility make it an ideal choice for modern power supply designs. With its environmental compliance and moisture sensitivity level of 1, the UC3842ADTR ensures ease of use and long-term reliability. Whether used in switching power supplies, DC-to-DC converters, motor control systems, or industrial power management, the UC3842ADTR delivers exceptional performance and efficiency, making it a standout choice in the electronics industry.

UC3842ADTR Documents

Download datasheets and manufacturer documentation for UC3842ADTR

Datasheets :

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

HTML Datasheet :

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

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       UCYYY 13/DEC/2017