LM2622MMX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2622MMX-ADJ/NOPB is a step-up PWM DC/DC converter manufactured by Texas Instruments, originally part of the National Semiconductor portfolio. It operates with an input voltage range of 2 V to 12 V and provides a maximum output current of 1.65 A. The device features selectable switching frequencies of 600 kHz or 1.3 MHz. It utilizes an adjustable output configuration housed in an 8-pin VSSOP package. The operational temperature range spans from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated boost topology for efficient voltage step-up conversion
• Selectable switching frequency options for design flexibility
• Adjustable output voltage capability via external feedback
• High efficiency performance under varying load conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics requiring voltage boosting
• Industrial control systems operating within wide input ranges
• Automotive applications utilizing standard vehicle electrical systems
• Telecommunications equipment power management modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin carefully, as the component originates from National Semiconductor but is now distributed by Texas Instruments. Confirm the specific suffix indicates the adjustable version and RoHS compliance. Ensure the package type matches the required PCB footprint. Check for any obsolescence notices or lifecycle status updates from the current distributor before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a boost converter is required with an input voltage up to 12 V. The adjustable output allows customization for specific system rails. Consider the thermal performance in the VSSOP package for high-current applications. Evaluate the need for the specific switching frequency options to optimize inductor size and EMI characteristics relative to other available regulators.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2622 series of switching regulators. It represents a transition from National Semiconductor's legacy product line to Texas Instruments' current offerings. The component is designed for compact power solutions where space constraints necessitate the small VSSOP package. It serves as a direct replacement for older National Semiconductor parts in existing designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2622MM-ADJ/NOPB is a documented equivalent variant within the same family. Verify pin compatibility and electrical specifications before substitution. Other LM2622 variants may differ in packaging or switching frequency options.