Texas Instruments

UC3844AD8  

Power Supply Controllers, Monitors

UC3844AD8 Description

The UC3844AD8 is a high-performance PWM controller designed by Texas Instruments, optimized for use in power supply applications. This advanced IC is equipped with a wide operating temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions. The UC3844AD8 is surface mountable, facilitating easy integration into compact designs. It operates with a supply voltage of 10V to 30V and consumes a low supply current of 11 mA, making it energy-efficient. The UC3844AD8 is compliant with the REACH regulation, classified as REACH unaffected, and adheres to the RoHS3 standard, indicating its environmentally friendly composition.

UC3844AD8 Features

• Operating Temperature: The UC3844AD8 can function effectively in a broad temperature range from 0°C to 70°C, making it suitable for both indoor and outdoor applications.
• Applications: This PWM controller is widely used in applications requiring precise power regulation, such as in battery chargers, LED drivers, and power supplies.
• ECCN: The UC3844AD8 is classified as EAR99, indicating that it is not subject to export controls under the Export Administration Regulations.
• Mounting Type: Surface Mount technology allows for compact and efficient placement on PCBs.
• Current - Supply: With a low supply current of 11 mA, the UC3844AD8 contributes to energy savings in power-sensitive applications.
• Voltage - Supply: The wide supply voltage range of 10V to 30V allows for flexibility in various power supply designs.
• REACH Status: REACH unaffected status ensures compliance with European Union regulations concerning the Registration, Evaluation, Authorization, and Restriction of Chemicals.
• RoHS Status: ROHS3 compliance signifies that the UC3844AD8 meets the European Union's directive on the restriction of hazardous substances in electronic products.

UC3844AD8 Applications

The UC3844AD8 is ideal for applications where precise power control and efficiency are paramount. Some specific use cases include:

1. Battery Chargers: The UC3844AD8's PWM control capabilities make it suitable for managing the charging process in various battery chemistries.
2. LED Drivers: This IC can be used to regulate the current and voltage supplied to LEDs, ensuring consistent brightness and longevity.
3. Power Supplies: In switch-mode power supplies, the UC3844AD8 can help achieve high efficiency and low noise operation.

Conclusion of UC3844AD8

The UC3844AD8 from Texas Instruments stands out as a robust and versatile PWM controller, offering a combination of wide operating temperature range, low power consumption, and compliance with environmental regulations. Its unique features make it an excellent choice for applications requiring precise power regulation and control. With its performance benefits and wide range of applications, the UC3844AD8 is a reliable component for power supply designers looking to optimize their systems.

UC3844AD8 Documents

Download datasheets and manufacturer documentation for UC3844AD8

Datasheets :

UC184xA, 284xA, 384xA Series      

HTML Datasheet :

UC184xA, 284xA, 384xA Series      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018