The TL3843BP is a versatile and high-performance Current-Mode PWM Controller from Texas Instruments, designed for a wide range of power supply applications. This integrated circuit is engineered to provide reliable and efficient control for switched-mode power supplies (SMPS), offering designers a robust solution with a minimal external component count.

Key Features

• Current-Mode Control: The TL3843BP operates with current-mode control providing fast response to load changes and inherent protection against overcurrent conditions.
• Wide Operating Frequency: This device can operate at frequencies up to 500 kHz, allowing for smaller external components and reduced power loss.
• High Efficiency: With its integrated features and optimized design, the TL3843BP achieves high efficiency, which is essential for energy-saving applications.
• Low Start-Up Current: The start-up current is typically 0.5 mA, which reduces power consumption during the initial power-up phase.
• Automatic Feed Forward Compensation: This feature improves the response to input voltage variations, enhancing the performance of the power supply.
• Under-Voltage Lockout (UVLO): Both line and off-line power conversion applications are protected from running at insufficient voltages, ensuring the stability and safety of the system.

Applications

The TL3843BP is designed to be a versatile controller suitable for a variety of applications, including:

• DC to DC Converters
• Off-Line Power Supplies
• AC to DC Adapters
• Battery Chargers
• Power Supply Overcurrent Protection Circuits

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the TL3843BP is no exception. It is designed to meet the rigorous demands of industrial and commercial applications, ensuring long-term reliability and consistent performance.

Package and Availability

The TL3843BP is available in an 8-pin PDIP package, making it easy to integrate into a wide range of circuit board layouts. For detailed specifications, sample requests, and ordering information, please visit the Texas Instruments website or contact an authorized distributor.