The Texas Instruments LM2662MX is a versatile and efficient switched capacitor voltage converter designed to meet the needs of a wide range of electronic applications. This IC comes from the renowned LM2662 series, known for its reliability and performance. The LM2662MX is adept at converting a positive voltage in the range of +1.5V to +5.5V to the corresponding negative voltage of the same magnitude.

Key Features

• Voltage Conversion: The LM2662MX operates as a voltage inverter, offering an easy solution to generate a negative supply from a positive input. It is particularly useful in applications where a negative auxiliary voltage is required.
• Efficiency: Employing a switched capacitor technology, this device provides high efficiency compared to traditional linear voltage converters. This makes it an excellent choice for battery-powered devices where power conservation is crucial.
• Frequency Operation: With a typical operating frequency of 160 kHz, the LM2662MX can use small, low-cost capacitors, reducing the overall size and cost of the power supply design.
• Low Power Consumption: The quiescent current is minimal, further enhancing its suitability for portable applications.
• Simple Design: The simplicity of its external circuit requirements makes it easy to integrate into a variety of designs without the need for complex ancillary components.

Applications

The LM2662MX is a flexible component that can be used in numerous applications. It is ideal for battery-powered devices, portable equipment, and any system that requires a negative voltage rail. Common applications include:

• Portable instruments
• Operational amplifier power supplies
• Handheld devices
• Interface power supply conversion

Technical Specifications

• Package: The LM2662MX is available in an 8-pin SOIC package, making it compact and suitable for space-constrained applications.
• Temperature Range: It operates over an industrial temperature range, ensuring reliability under varying environmental conditions.

With its high efficiency, low power consumption, and ease of use, the Texas Instruments LM2662MX switched capacitor voltage converter is an excellent choice for designers looking to incorporate a negative voltage supply into their systems without compromising on space or power efficiency.