The LTC3426CS8 is a high-performance, compact step-up DC/DC converter designed by Linear Technology, now part of Analog Devices. This versatile power management integrated circuit (IC) is engineered to provide a reliable and efficient voltage boost solution for a wide range of applications, particularly where space and power efficiency are critical.

Key Features:

• Wide Input Voltage Range: The LTC3426CS8 operates with an input voltage range from 1.5V to 5.5V, making it suitable for single-cell, multi-cell, or regulated 5V input applications.
• Adjustable Output Voltage: Users can set the output voltage from 2.5V to 5.5V via an external resistor divider, providing flexibility for different circuit requirements.
• High Efficiency: With an efficiency of up to 94%, this converter minimizes power loss and heat generation, extending battery life in portable devices.
• Low Quiescent Current: The LTC3426CS8 features a low quiescent current of only 25µA, which is ideal for battery-powered applications where extending operational life is essential.
• High Switching Frequency: Its 1.2MHz fixed switching frequency allows the use of small, low-cost capacitors and inductors, reducing the overall footprint of the power supply design.
• Internal Synchronous Rectifier: The inclusion of an internal synchronous rectifier enhances efficiency by reducing diode losses.
• Thermal Protection: The device includes thermal shutdown protection, safeguarding the IC from potential damage due to overheating.

Applications:

The LTC3426CS8 is ideal for a variety of applications, including but not limited to:

• Portable Instruments
• Medical Devices
• Wireless Transmitters
• Handheld Computers
• GPS Receivers

Package Information:

The LTC3426CS8 comes in an 8-lead narrow SOIC package, which is designed for operation over the industrial temperature range of -40°C to 85°C. Its compact form factor enables designers to incorporate it into space-constrained applications while maintaining robust performance.

Overall, the LTC3426CS8 from Linear Technology is a powerful, versatile, and reliable solution for your voltage boost requirements, delivering high efficiency and performance in a small package.