Texas Instruments

UC3843AD8TR  

Power Supply Controllers, Monitors

UC3843AD8TR Description

The UC3843AD8TR is a high-performance, multi-topology PWM controller designed by Texas Instruments. This device is part of the UCx84xA series and is specifically tailored for power supply applications. It operates within a wide temperature range of 0°C to 70°C and is suitable for surface mount applications. The UC3843AD8TR is compliant with the latest environmental regulations, including REACH and RoHS3, making it an eco-friendly choice for electronic designs.

UC3843AD8TR Features

• Wide Operating Voltage Range: The UC3843AD8TR can handle supply voltages between 7.6V and 30V, providing flexibility in various power supply designs.
• Low Supply Current: With a supply current of only 11 mA, this controller is energy-efficient and helps reduce power consumption in end products.
• Moisture Sensitivity Level 1: The UC3843AD8TR has an MSL of 1, indicating it can be stored and handled without special precautions, simplifying the manufacturing process.
• Active Product Status: As an active product, the UC3843AD8TR is readily available and supported by Texas Instruments, ensuring long-term reliability and support.
• EAR99 and HTSUS Compliance: This product is classified under EAR99 and HTSUS, facilitating international trade and distribution without restrictions.

UC3843AD8TR Applications

The UC3843AD8TR is ideal for a variety of power supply applications, including:

• Switching Power Supplies: Due to its multi-topology capabilities, it can be used in various types of switching power supplies, such as flyback, forward, and push-pull converters.
• Battery Chargers: Its precision control and low quiescent current make it suitable for battery chargers, ensuring efficient and safe charging.
• LED Drivers: The UC3843AD8TR can be used in LED driver circuits to provide stable and efficient lighting solutions.

Conclusion of UC3843AD8TR

The UC3843AD8TR from Texas Instruments stands out for its versatility, efficiency, and compliance with environmental standards. Its wide operating voltage range, low supply current, and robust environmental compliance make it a preferred choice for designers looking for a reliable and eco-friendly PWM controller. With its active product status and support from a leading manufacturer, the UC3843AD8TR is a dependable component for a wide range of power supply applications.

UC3843AD8TR Documents

Download datasheets and manufacturer documentation for UC3843AD8TR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-11-05 (PDF)       Product Change Notification 2024-08-28 (PDF)       Product Change Notification (PDF)       Product Change Notification 2024-10-16 (PDF)      

Models :

UC3843AD8TR Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

SPICE Models :

UCC28C43 PSpice Transient Model       UCCx8C43 Unencrypted PSpice Transient Model