LM2660MMX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2660MMX/NOPB is a monolithic DC-DC converter designed to generate negative output voltages from positive input supplies. It operates as an inverting charge pump, utilizing internal switches and external capacitors to achieve voltage inversion. The device integrates a fixed-frequency oscillator and control logic to regulate the output voltage. It supports input voltages up to 5.5V and can deliver output currents suitable for biasing applications. The MMX package provides a compact solution for space-constrained designs requiring negative rail generation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated inverting charge pump architecture for generating negative voltages from positive inputs
• Fixed-frequency operation simplifies external component selection and reduces noise spectrum spread
• Compact surface-mount packaging suitable for dense PCB layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Biasing operational amplifiers requiring dual power supplies
• Generating negative rails for analog-to-digital converters
• Powering interface circuits that require negative supply voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix NOPB indicates lead-free compliance and RoHS adherence per Texas Instruments specifications. Confirm the MMX package code matches the required footprint and thermal characteristics for your design. Ensure the ordering part number aligns with the specific tape-and-reel quantity if applicable. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or pin configurations before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, low-component-count solution is needed for inverting voltage conversion. Consider the maximum output current capability relative to the load requirements. Evaluate the input voltage range to ensure compatibility with the system's primary supply. Assess the need for negative voltage regulation versus simple charge pumping based on load transient response requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to Texas Instruments' family of switching regulators and charge pumps. It complements other DC-DC converter offerings by providing a specialized function for negative voltage generation. The MMX variant denotes a specific small-outline package type within the broader LM2660 product line, focusing on miniaturization for portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives such as the LM2660MX or LM2660MM. Verify functional equivalence regarding input voltage range and output current capability. Ensure substitute parts maintain the same package dimensions and thermal performance. Consult official substitution guides for confirmed compatible replacements.