Texas Instruments

UC2842AD8TR  

Power Supply Controllers, Monitors

The UC2842AD8TR is a high-performance pulse width modulation (PWM) controller manufactured by Texas Instruments. This device is designed for use in a variety of applications, including DC-to-DC converters, motor control, and LED dimming.

Description:

The UC2842AD8TR is a monolithic integrated circuit that provides a complete solution for generating accurate and stable PWM signals. It features a fixed 60kHz switching frequency, which allows for efficient power conversion with minimal electromagnetic interference (EMI). The device is available in an 8-pin dual-in-line package (DIP) and operates over a wide input voltage range of 4.5V to 40V.

Features:

1. Fixed 60kHz switching frequency
2. Wide input voltage range (4.5V to 40V)
3. High-resolution PWM signal generation
4. Internal oscillator with frequency (frequency modulation) for reduced EMI
5. Overcurrent protection, overtemperature protection, and undervoltage lockout
6. Soft-start function to minimize inrush current
7. External compensation pin for easy adjustment of loop response
8. Small package size (8-pin DIP)

Applications:

1. DC-to-DC converters: The UC2842AD8TR is ideal for use in step-up (boost), step-down (buck), and bidirectional converters.
2. Motor control: The device can be used to control the speed and direction of brushed and brushless DC motors in applications such as fans, pumps, and robotics.
3. LED dimming: The UC2842AD8TR is suitable for driving high-current LED arrays in lighting applications, providing precise dimming control and efficient power conversion.
4. Power supplies: The device can be used in a variety of power supply applications, including desktop computers, laptops, and other electronic devices.
5. Battery chargers: The UC2842AD8TR can be used to control the charging process of batteries in applications such as smartphones, tablets, and electric vehicles.

In summary, the UC2842AD8TR is a versatile and high-performance PWM controller that offers a range of features suitable for various applications, including DC-to-DC converters, motor control, and LED dimming. Its fixed switching frequency, wide input voltage range, and robust protection features make it an attractive choice for designers looking to implement efficient and reliable power conversion solutions.

UC2842AD8TR Documents

Download datasheets and manufacturer documentation for UC2842AD8TR

Datasheets :

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

HTML Datasheet :

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

PCN Design/Specification :

UCYYY 13/DEC/2017