L6984ATR

Voltage Regulators - DC DC Switching Regulators Overview

The L6984ATR is a monolithic synchronous step-down switching regulator from STMicroelectronics, designed for high-efficiency power conversion in portable and industrial applications. It integrates two N-channel MOSFETs and operates with an input voltage range of 2.7V to 5.5V. The device delivers a programmable output current up to 3A with adjustable output voltages between 0.8V and 3.3V. Operating at a fixed frequency of 1MHz, it features integrated compensation and protection mechanisms including overcurrent, thermal shutdown, and undervoltage lockout. The component is housed in a compact WSON8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with dual N-channel MOSFETs for enhanced efficiency
• Fixed 1MHz switching frequency enabling compact external component sizing
• Comprehensive protection suite including thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient battery-powered operation
• Industrial control systems needing stable low-voltage regulation
• Communication equipment utilizing standard logic supply rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ATR' indicates tape-and-reel packaging configuration when ordering. Confirm that the operating temperature range aligns with your system requirements. Ensure compatibility with the required output voltage setting via external resistor network. Check for authenticity through authorized distribution channels to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for converting 3.3V or 5V inputs to lower logic voltages. It is suitable for designs prioritizing high efficiency under moderate load conditions. Consider the thermal performance of the WSON8 package relative to your PCB copper area. Evaluate if the fixed 1MHz frequency meets EMI constraints for your specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to STMicroelectronics' L698x family of synchronous buck converters. It shares architectural similarities with other members like the L6983 but offers higher current capability. The family targets applications requiring small footprint and high efficiency. Compare pinouts and electrical characteristics against alternative models in the series for optimal board layout integration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the L6983DTR for lower current requirements. Verify pin-to-pin compatibility before swapping. Ensure the replacement supports the same input voltage range and output current needs. Check for any differences in thermal resistance or control loop stability.