LM2681M6/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2681M6/NOPB is a charge pump switching voltage regulator manufactured by Texas Instruments. It operates within an input voltage range of 2.5 V to 5.5 V and provides a fixed output configuration supporting 2Vin or Vin/2 ratios. The device delivers up to 20 mA of output current with a typical switching frequency of 80 kHz. It functions reliably across a junction temperature range of -40°C to +85°C. Packaged in a surface-mount SOT-23-6 housing, this component serves as a compact power management solution for low-voltage applications requiring efficient voltage conversion without inductive components.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Utilizes charge pump topology for efficient voltage step-up or step-down conversion
• Provides fixed output voltage ratios including doubled input voltage or half input voltage
• Operates with high efficiency at low output currents suitable for portable electronics

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring voltage level shifting
• Systems needing negative voltage generation from positive supply rails
• Low-power embedded circuits utilizing charge pump regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation when ordering, as variations such as M6X may indicate different packaging formats like cut tape versus reel while maintaining identical electrical specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the SOT-23-6 package footprint matches the design layout requirements. Cross-reference the exact part number against the latest datasheet to confirm pinout compatibility and thermal characteristics for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require simple voltage inversion or doubling without the complexity of inductor-based converters. It is suitable for applications where space constraints favor small surface-mount packages over larger solutions. Consider the 20 mA output limit when determining load capabilities. Evaluate the 80 kHz switching frequency against noise sensitivity requirements in the system. This regulator is appropriate for stable input voltages within the specified 2.5 V to 5.5 V range.

Voltage Regulators - DC DC Switching Regulators Part Context

This integrated circuit belongs to the LM2681 series of charge pump regulators from Texas Instruments. It represents a specialized class of power management devices designed for low-cost, low-current voltage transformation. The series typically includes variants with different package options and temperature ratings. These components are widely used in consumer electronics and industrial control systems where reliable DC-DC conversion is needed without magnetic components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2681M6X/NOPB is a documented substitute offering identical electrical performance with potential packaging differences.