LM2664M6X

Voltage Regulators - DC DC Switching Regulators Overview

The LM2664M6X is a switched capacitor voltage converter manufactured by Texas Instruments, housed in a SOT-23-6 surface-mount package. It operates as a charge pump topology with a fixed output configuration capable of generating positive or negative voltages relative to the input. The device supports an input voltage range from 1.8V to 5.5V and delivers a maximum output current of 40mA. It functions at a switching frequency of 80kHz and is rated for operation within a junction temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Generates regulated positive or negative output voltages using a charge pump topology
• Operates with a wide input voltage range suitable for single-cell battery applications
• Provides a fixed output configuration without requiring external feedback components
• Integrates synchronous rectification-free design for simplified circuit implementation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable devices requiring negative supply rails for LCD biasing
• Single-supply systems needing inverted voltage levels for sensor interfaces
• Battery-powered equipment utilizing charge pump voltage conversion
• Embedded circuits requiring isolated negative voltage generation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels due to the part's discontinued status. Confirm RoHS compliance requirements as specific variants may not meet current environmental standards. Validate package markings against official datasheet specifications to ensure correct identification. Check for alternative packaging options if original reel quantities are unavailable.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution for generating negative or doubled voltage is required from a low-voltage source. Consider the 40mA output limit for load requirements and the 80kHz switching frequency for noise sensitivity. Ensure the SOT-23-6 footprint matches the PCB layout constraints. Evaluate thermal performance within the specified operating temperature range for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2664 belongs to Texas Instruments' family of switched capacitor voltage converters designed for portable electronics. This specific variant utilizes a SOT-23-6 package to minimize board space while providing efficient voltage inversion or multiplication. It serves as a power management IC for applications where inductor-based DC-DC converters are impractical due to size or cost constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers: LM2664M6X/NOPB, LM2664M6XTR.