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MAX665CWE

MAX665CWE Description

The MAX665CWE is a fixed-output, charge-pump inverter designed for power management applications. Manufactured by Analog Devices Inc./Maxim Integrated, this IC regulator offers a robust solution for generating negative voltages from a positive input supply. The MAX665CWE operates over a wide input voltage range from 1.5V to 8V and provides a stable output current of up to 100mA. This device is particularly suited for applications requiring a negative voltage supply, leveraging its ratiometric function to maintain a fixed output voltage ratio relative to the input.

MAX665CWE Features

• Fixed Output Type: The MAX665CWE provides a fixed output voltage, ensuring consistent performance across a wide range of input voltages.
• Wide Input Voltage Range: With an input voltage range of 1.5V to 8V, the MAX665CWE is versatile and can be used in various power supply scenarios.
• High Output Current: The device supports an output current of up to 100mA, making it suitable for applications requiring moderate power levels.
• Positive or Negative Output Configuration: The MAX665CWE can be configured to provide either positive or negative output voltages, offering flexibility in design.
• Ratiometric Function: The ratiometric function ensures that the output voltage maintains a fixed ratio to the input voltage, enhancing stability and reliability.
• Dual Switching Frequencies: The MAX665CWE operates at switching frequencies of 10kHz and 45kHz, allowing designers to optimize for either low noise or high efficiency.
• Surface Mount Packaging: The MAX665CWE is available in a surface mount package, facilitating easy integration into compact designs.
• Moisture Sensitivity Level 1: With an MSL of 1, the MAX665CWE is suitable for unlimited exposure to standard manufacturing environments, reducing handling constraints.
• Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of ambient conditions.

MAX665CWE Applications

The MAX665CWE is ideal for applications requiring a stable negative voltage supply from a positive input. Specific use cases include:

• Analog Circuits: Providing negative supply rails for operational amplifiers and other analog components.
• Data Acquisition Systems: Supplying negative bias voltages for ADCs and DACs.
• Battery-Powered Devices: Generating negative voltages from a single-cell battery source.
• Medical Equipment: Ensuring stable power supply for sensitive medical devices.
• Industrial Control Systems: Offering reliable power conversion in harsh industrial environments.

Conclusion of MAX665CWE

The MAX665CWE is a versatile and reliable charge-pump inverter designed for power management applications. Its wide input voltage range, high output current, and ratiometric function make it an ideal choice for generating stable negative voltages. The dual switching frequencies provide flexibility in optimizing for either low noise or high efficiency, while its surface mount package and moisture sensitivity level 1 ensure ease of integration and robustness in various environments. Although the MAX665CWE is now obsolete, its unique features and performance benefits continue to make it a valuable component for specific applications.