LM2698MMX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2698MMX-ADJ/NOPB is a step-up DC/DC converter manufactured by Texas Instruments, housed in an 8-pin VSSOP package. It operates with an input voltage range of 2.2V to 12V and provides an adjustable output voltage from 2.2V to 17V. The device delivers a maximum output current of 1.9A at a fixed switching frequency of 1.25MHz. It supports an operating temperature range from -40°C to +125°C and includes integrated shutdown functionality for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current internal switch capable of delivering up to 1.9A
• Fixed 1.25MHz switching frequency enables the use of compact passive components
• Adjustable output voltage via external resistor network
• Built-in thermal shutdown protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring voltage boosting
• Industrial control systems with variable input sources
• Automotive electronics operating within specified voltage ranges
• General-purpose step-up power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as NOPB and MMX to ensure correct configuration and packaging. Confirm RoHS compliance status and lead times directly with authorized distributors or Texas Instruments. Ensure the ordering quantity matches available reel or cut-tape options. Cross-reference datasheet revisions to confirm pinout and electrical characteristics remain consistent with design requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a boost topology is required for inputs up to 12V. The 1.9A current rating suits moderate load applications. Consider the 1.25MHz frequency for balancing efficiency and component size. Verify that the external feedback resistors allow the desired output voltage within the 2.2V to 17V range. Ensure thermal management meets the -40°C to +125°C operational envelope.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2698 family of simple switcher regulators. It is designed for efficient step-up conversion in space-constrained applications. The VSSOP-8 package facilitates surface-mount assembly. It complements other Texas Instruments power management solutions by providing a robust, single-output boost regulator option for portable and industrial markets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible upgrades within the Texas Instruments portfolio. Verify if newer generations offer improved efficiency or higher current capabilities. Ensure any substitute maintains the 1.25MHz frequency and 1.9A rating. Confirm package compatibility and thermal performance match the original design constraints.