Texas Instruments

UC3845ADG4  

Power Supply Controllers, Monitors

UC3845ADG4 Description

The UC3845ADG4 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. It operates within a supply voltage range of 7.6V to 30V and draws a supply current of 11 mA, ensuring efficient power usage. The UC3845ADG4 is designed to function within an operating temperature range of 0°C to 70°C (TA), making it suitable for various industrial and consumer applications.

This PWM controller is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations. The UC3845ADG4 is packaged in a tube and has a moisture sensitivity level (MSL) of 1 (unlimited), making it robust against environmental factors.

UC3845ADG4 Features

The UC3845ADG4 offers several unique features that set it apart from similar models in the market:

• Wide Operating Voltage Range: With a supply voltage range of 7.6V to 30V, the UC3845ADG4 can be used in a variety of power supply designs, providing flexibility in system architecture.
• Low Supply Current: Drawing only 11 mA, this PWM controller is highly efficient, making it ideal for applications where power consumption is a critical factor.
• Surface Mount Compatibility: The 14SOIC package is designed for surface mount technology (SMT), enabling compact and reliable PCB designs.
• Robust Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the UC3845ADG4 meets the highest environmental standards, ensuring its suitability for global markets.
• Extended Temperature Range: Operating within 0°C to 70°C (TA), the UC3845ADG4 is suitable for applications in diverse environmental conditions, from industrial to consumer electronics.

UC3845ADG4 Applications

The UC3845ADG4 is a versatile PWM controller, suitable for a wide range of applications:

• Switching Power Supplies: Ideal for designing efficient and compact switching power supplies, the UC3845ADG4 can help achieve high power density and low power loss.
• DC-DC Converters: Its wide operating voltage range and low supply current make it suitable for DC-DC converter applications, where reliability and efficiency are paramount.
• Battery Chargers: The UC3845ADG4 can be used in battery charging circuits, providing precise control over charging parameters and ensuring safe and efficient battery management.
• Industrial Power Systems: Given its robustness and compliance with environmental standards, the UC3845ADG4 is well-suited for industrial power systems, where reliability and durability are critical.

Conclusion of UC3845ADG4

The UC3845ADG4 is a highly efficient and versatile PWM controller, offering a wide range of features and benefits that make it an excellent choice for various power management applications. Its wide operating voltage range, low supply current, and surface mount compatibility provide flexibility in design, while its robust environmental compliance ensures its suitability for global markets. Whether used in switching power supplies, DC-DC converters, battery chargers, or industrial power systems, the UC3845ADG4 delivers reliable performance and high efficiency.

UC3845ADG4 Documents

Download datasheets and manufacturer documentation for UC3845ADG4

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

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

Models :

UC3845ADG4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

SPICE Models :

UCCx8C45 Unencrypted PSpice Transient Model