LMR70503TM/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LMR70503TM/NOPB is a SIMPLE SWITCHER Nano regulator featuring buck-boost topology for negative output voltage regulation. It operates with an input voltage range of 2.8V to 5.5V and provides an adjustable output from -0.9V to -5.5V. The device supports a maximum switch current of 270mA to 320mA depending on the source specification, with a fixed switching frequency of 500kHz. Packaged in an 8-DSBGA format, it functions within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides negative output voltage regulation using buck-boost topology
• Features adjustable output voltage capability
• Operates with wide input voltage range suitable for single-cell battery applications

Voltage Regulators - DC DC Switching Regulators Applications

• Optical modules requiring negative bias voltages
• Portable systems utilizing single-cell lithium-ion batteries
• FPGA power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official Texas Instruments documentation, as 'LMR70503TMX' is the standard designation found in public datasheets. Confirm package type and RoHS compliance status directly with the manufacturer or authorized distributors before procurement to ensure alignment with specific project requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution for generating negative voltages from a positive single-supply rail is required. The integrated buck-boost architecture eliminates the need for external inductors typically associated with charge pump solutions, offering higher efficiency and lower noise compared to traditional alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR70503 series of SIMPLE SWITCHER regulators. These devices are designed for space-constrained applications requiring efficient power conversion. The family focuses on providing flexible voltage regulation options in minimal footprints, catering to modern portable electronics and industrial control systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference material. Verify compatibility with existing circuit designs if considering alternative regulators from the same manufacturer.