LM2663MX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2663MX/NOPB is a switched capacitor voltage converter manufactured by Texas Instruments, housed in an 8-pin SOIC package. It operates with an input voltage range of 1.5 V to 5.5 V and delivers a maximum output current of 200 mA. The device supports ratiometric output configurations, providing fixed outputs of -Vin, 2Vin, or Vin/2. It functions as a charge pump topology with a maximum switching frequency of 150 kHz. The component is rated for an operating temperature range from -40 °C to 85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides ratiometric voltage conversion capabilities relative to the input supply.
• Supports multiple output polarities including positive, negative, and half-voltage options.
• Integrates internal switching elements within a compact surface-mount package.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring voltage inversion or doubling
• RS-232 interface circuits needing dual polarity supplies
• Low-power systems utilizing single-cell lithium or alkaline batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix /NOPB indicates lead-free packaging compliance compared to standard variants. Confirm the package designation matches the required PCB footprint for the 8-SOIC form factor. Ensure the input voltage requirements align with the specified 1.5 V to 5.5 V operational window for reliable performance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a simple charge pump solution is needed for moderate current loads up to 200 mA. It is suitable for applications where efficiency is less critical than cost and board space. Consider the ratiometric nature of the output, which varies directly with the input voltage fluctuations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM266x family of switched capacitor converters from Texas Instruments. These devices are designed to replace bulky transformers or inductors in low-power DC-DC conversion tasks. The family typically includes variants offering different output configurations and current capabilities within similar package constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2663M serves as a functional equivalent within the same product line. Verify pin compatibility and thermal characteristics when substituting between the NOPB and non-NOPB designations.