TPS62849DLCR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS62849DLCR is a synchronous step-down DC-DC converter from Texas Instruments, designed for high-efficiency power management in compact applications. It operates with an input voltage range of 1.8 V to 6.5 V and delivers a fixed output voltage of 3.4 V at up to 750 mA. The device features a very low quiescent current of 60 nA, enabling extended battery life in portable electronics. It integrates a 1.8 MHz switching frequency to minimize external component size while maintaining stable regulation. Packaged in an 8-pin VSON-HR (VSON-HR-8) surface-mount package, it supports operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low quiescent current consumption for enhanced battery efficiency
• Integrated synchronous rectification for high conversion efficiency
• Fixed internal feedback resistor network simplifies design
• Compact VSON-HR-8 package optimized for space-constrained layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power regulation
• Battery-powered IoT devices and sensors
• Mobile communication equipment
• Handheld instruments and medical devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DLCR corresponds to the VSON-HR-8 package and 3.4 V fixed output configuration. Confirm RoHS compliance status through official documentation before integration. Ensure ordering quantities align with manufacturer standard packaging formats. Cross-reference datasheet revisions to validate electrical characteristics against current production versions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.4 V output is required within a 1.8 V to 6.5 V input range. It is suitable for designs prioritizing minimal standby current and small footprint over adjustable output flexibility. Consider thermal performance under maximum load conditions given the compact package. Evaluate compatibility with system shutdown requirements if applicable.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS6284x series of synchronous buck converters from Texas Instruments. The series focuses on providing high efficiency and low noise for portable applications. The TPS62849 variant specifically offers a fixed output voltage, distinguishing it from adjustable counterparts in the same family. It shares core topology and control mechanisms with other members like the TPS62840.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.