LM2664M6

Voltage Regulators - DC DC Switching Regulators Overview

The LM2664M6 is a switched capacitor voltage converter manufactured by Texas Instruments, designed for applications requiring negative or positive voltage generation from a single input source. This integrated circuit operates with an input voltage range of 1.8V to 5.5V and provides a maximum output current of 40mA. The device utilizes a charge pump topology with a fixed switching frequency of 80kHz to regulate output voltages at -Vin or 2Vin. It is housed in a compact SOT-23-6 surface-mount package and supports an operating junction temperature range from -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Generates regulated negative or positive output voltages using a charge pump topology
• Operates within a wide input voltage range of 1.8V to 5.5V
• Provides a maximum output current capability of 40mA
• Housed in a small SOT-23-6 surface-mount package

Voltage Regulators - DC DC Switching Regulators Applications

• Generating negative supply rails for operational amplifiers
• Powering RS-232 communication interfaces
• Biasing LCD displays requiring dual polarity supplies
• Providing auxiliary power for sensor circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to the part's discontinued status. Confirm that the specific suffix matches the required packaging configuration. Ensure compliance with environmental regulations as the standard version may not meet RoHS standards. Validate lead times carefully given potential availability constraints associated with end-of-life products.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a simple, low-cost solution is needed for generating inverted or doubled voltages without inductors. Consider the 40mA current limit and 80kHz switching frequency against system requirements. Evaluate thermal performance within the specified temperature range. Compare against newer alternatives if long-term supply stability is critical for the design lifecycle.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2664M6 belongs to the LM2664 family of switched capacitor voltage converters from Texas Instruments. It shares functional similarities with other devices in the series but differs in packaging and specific electrical characteristics. The M6 suffix indicates the SOT-23-6 package variant. This component serves as a legacy option for voltage inversion tasks where space and simplicity are prioritized over high efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers include LM2664M6X and LM2664M6CT. Verify pin compatibility and electrical specifications before substitution.