The TL3842DR-8 is a versatile and efficient PWM (Pulse Width Modulation) controller from Texas Instruments, designed to cater to a broad range of power supply applications. This integrated circuit is part of the TL384x series, renowned for their reliability and performance in controlling switch-mode power supplies.

Key Features

• Adjustable Switching Frequency: The TL3842DR-8 comes with a programmable switching frequency that can be adjusted up to 500 kHz, allowing for flexibility in the design of the power supply topology.
• High Performance: With its high current totem-pole output, the device can drive a power MOSFET or IGBT directly, which is essential for high-efficiency power conversion.
• Internal Error Amplifier: An integrated error amplifier with a low output error voltage enhances the precision of the power supply output.
• Low Start-Up and Operating Current: The device features a low start-up current of 0.5 mA (typical) and an operating current of 8.5 mA (typical), minimizing power loss during operation.
• Under-Voltage Lockout (UVLO): Both start-up and operating under-voltage thresholds are maintained, ensuring the stability and safety of the power supply system.

Applications

The TL3842DR-8 is ideal for a variety of applications, including:

• Switch-mode power supplies (SMPS)
• DC-DC converters
• Battery chargers
• Power supply for consumer electronics
• LED drivers
• Telecommunication equipment

Quality and Environmental Compliance

As with all Texas Instruments products, the TL3842DR-8 is manufactured to meet high-quality standards. It complies with RoHS (Restriction of Hazardous Substances) directives, ensuring that it is free from specific hazardous materials commonly used in electronics and electrical equipment.

Package and Availability

The TL3842DR-8 is offered in an 8-pin SOIC package, which is suitable for space-constrained applications. The device is available for order and can be sourced directly from Texas Instruments or through their network of authorized distributors.