LMC7660IM/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LMC7660IM/NOPB is a switched capacitor voltage converter manufactured by Texas Instruments, housed in an 8-pin SOIC package. It operates as a charge pump topology to generate negative output voltages ranging from -1.5 V to -10 V from positive input supplies between 1.5 V and 10 V. The device delivers up to 20 mA of output current with a typical operating supply current of 120 µA. It features a fixed switching frequency of 10 kHz and includes a shutdown capability. The component functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Generates negative voltage outputs from positive input sources using switched capacitor technology
• Includes a dedicated shutdown pin for power management control
• Operates with low quiescent current consumption
• Provides stable performance across a wide industrial temperature range

Voltage Regulators - DC DC Switching Regulators Applications

• Biasing operational amplifiers requiring negative supply rails
• Powering analog-to-digital converters needing dual polarity supplies
• Interface circuits requiring level shifting or signal inversion
• Portable battery-powered systems utilizing single-supply operation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and environmental compliance. Ensure the ordering part number matches the required tape-and-reel or tube packaging configuration. Cross-reference the datasheet revision date to validate technical specifications before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed to invert polarity without inductors. Consider the 20 mA output limit and 10 kHz switching frequency for noise-sensitive applications. Evaluate the SOIC-8 footprint constraints and ensure the input voltage range aligns with the system's available power source.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMC7660 series of charge pump voltage converters. It serves as a key power management integrated circuit within the broader PMIC category. The component is designed to replace discrete transistor-based inverters, offering a simplified design approach for generating negative voltages in space-constrained electronic assemblies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible alternatives such as the LMC7660IN/NOPB variant which utilizes a different package format.