L6983N50QTR

Voltage Regulators - DC DC Switching Regulators Overview

The L6983N50QTR is a high-efficiency synchronous step-down DC-DC converter from STMicroelectronics, designed for battery-powered applications. It integrates two N-channel power MOSFETs and operates with an input voltage range of 2.7V to 5.5V. The device delivers up to 3A output current with adjustable output voltages. It features fixed switching frequencies of 1MHz or 2.2MHz, selectable via the FREQ pin. Key protections include overcurrent protection, thermal shutdown, and undervoltage lockout. The component is housed in a compact WLCSP-12 package, suitable for space-constrained portable electronics.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with dual N-channel MOSFETs for high efficiency
• Fixed switching frequency options of 1MHz or 2.2MHz for optimized external component size
• Comprehensive protection mechanisms including overcurrent, thermal shutdown, and undervoltage lockout
• Compact WLCSP-12 packaging for minimal footprint in portable devices

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics such as smartphones and tablets
• Battery-operated handheld devices requiring efficient power management
• Embedded systems with strict space and power constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix 'N50QTR' matches your required switching frequency configuration and package type. Confirm RoHS compliance and automotive qualification status if applicable. Ensure ordering documentation aligns with STMicroelectronics official part numbering conventions to avoid counterfeit risks.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when input voltage remains within 2.7V to 5.5V and output currents up to 3A are needed. Consider the 1MHz or 2.2MHz frequency option based on inductor size constraints. Evaluate thermal performance under maximum load conditions due to the small WLCSP package.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of STMicroelectronics' L6983 family of synchronous buck converters. Designed for low-voltage, high-current applications in portable electronics. Shares common control architecture with other members but differs in specific electrical characteristics and packaging options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes like L6983D50QTR if different switching frequency is required. Verify pin compatibility and electrical specifications before substitution. Consult STMicroelectronics documentation for approved alternative part numbers.