Linear Technology LTC1550LCMS8-2 Low Noise, Switched-Capacitor Voltage Converter

The LTC1550LCMS8-2 is a high-performance switched-capacitor voltage converter designed and manufactured by Linear Technology, now part of Analog Devices. This compact and efficient component is engineered to provide a low-noise negative voltage from a positive input voltage, making it an ideal choice for various applications that require a precision negative voltage rail.

Key Features:

• Wide Input Voltage Range: The device can operate with input voltages ranging from 2.7V to 5.5V, accommodating a variety of power sources and systems.
• Adjustable Output Voltage: The output voltage can be set to -2 times the input voltage or adjusted to other negative values using two external resistors, providing flexibility for different circuit requirements.
• High Output Current: Capable of delivering up to 100mA of output current, the LTC1550LCMS8-2 is suitable for powering operational amplifiers, data converters, and other analog circuitry.
• Low Noise Operation: Designed with Linear Technology's proprietary low noise technology, the converter minimizes output ripple and noise, which is critical for sensitive analog and mixed-signal circuits.
• High Frequency Operation: The switching frequency of 20kHz allows for the use of small external capacitors, reducing the overall footprint and component cost.
• Thermal and Overcurrent Protection: The device includes built-in thermal shutdown and current limit features to protect against over-temperature and over-current conditions.
• MSOP-8 Package: The LTC1550LCMS8-2 comes in a compact MSOP-8 package, making it suitable for space-constrained applications.

Applications:

The LTC1550LCMS8-2 is versatile and can be used in a wide range of applications including:

• Portable Battery-Powered Equipment
• Data Acquisition Systems
• Operational Amplifier Negative Supply Rails
• Handheld Medical Devices
• Portable Test Instruments

With its robust design and flexible operation, the LTC1550LCMS8-2 is a reliable choice for designers looking to implement a negative voltage rail with minimal noise and high efficiency.