Texas Instruments

TL3843BD  

DC DC Switching Controllers

TL3843BD Description

The TL3843BD is a versatile power management integrated circuit (PMIC) designed for a wide range of applications requiring efficient power conversion and control. Manufactured by Texas Instruments, this IC is a transistor driver with a positive output configuration, suitable for boost, flyback, and forward topologies. The TL3843BD operates within a supply voltage range of 7.6V to 30V and supports switching frequencies up to 500kHz, making it ideal for high-efficiency power conversion in various electronic systems.

TL3843BD Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 500kHz
• Voltage - Supply (Vcc/Vdd): 7.6V to 30V
• Operating Temperature: 0°C to 70°C (TA)
• Control Features: Frequency Control
• Duty Cycle (Max): 96%
• Output Phases: 1
• Number of Outputs: 1
• Synchronous Rectifier: No
• Clock Sync: No
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tube
• Compliance: ROHS3 Compliant, REACH Unaffected
• Topology: Boost, Flyback, Forward
• Mounting Type: Surface Mount

The TL3843BD offers several unique features that set it apart from similar models. Its ability to operate within a wide supply voltage range and support high switching frequencies ensures high efficiency and adaptability across various power conversion applications. The maximum duty cycle of 96% allows for optimal power transfer and minimal energy loss, contributing to the overall efficiency of the system.

TL3843BD Applications

The TL3843BD is ideal for applications requiring efficient power conversion and control. Some specific use cases include:

• DC-DC Converters: The TL3843BD can be used in boost converters to step up voltage levels efficiently, making it suitable for applications like LED lighting and automotive electronics.
• Flyback Converters: In applications requiring isolation between the input and output, the TL3843BD can be used in flyback converters, such as in power supplies for medical equipment and telecommunications.
• Forward Converters: For high-power applications, the TL3843BD can be employed in forward converters to provide efficient power transfer with minimal energy loss.

Conclusion of TL3843BD

The TL3843BD is a robust and versatile power management IC that offers high efficiency and adaptability for various power conversion applications. Its wide supply voltage range, high switching frequency, and maximum duty cycle make it an excellent choice for designers looking to optimize power transfer and minimize energy loss. With its compliance to industry standards like ROHS3 and REACH, the TL3843BD ensures environmental sustainability and regulatory adherence. Whether used in DC-DC converters, flyback converters, or forward converters, the TL3843BD provides reliable performance and significant benefits over similar models, making it a valuable component in modern electronic systems.

TL3843BD Documents

Download datasheets and manufacturer documentation for TL3843BD

Datasheets :

TL284,384xB      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023      

HTML Datasheet :

TL284,384xB      

PCN Design/Specification :

Design 25/Feb/2022