LT1931IS5#TRMPBF - High-Efficiency, Low Noise, 1.2A Switching Regulator from Linear Technology

The LT1931IS5#TRMPBF is a compact, high-efficiency switching regulator designed by Linear Technology, now part of Analog Devices, for space-constrained applications. This step-up DC/DC converter is housed in a small SOT-23 package, making it an ideal solution for portable devices where size and power efficiency are critical considerations.

Key Features:

• High Switching Frequency: The device operates at a high switching frequency of 1.2MHz, which allows for the use of small, low-cost capacitors and inductors, reducing the overall footprint and cost of the power supply design.
• High Output Voltage: With the ability to generate output voltages up to 34V from a supply voltage as low as 2.6V, the LT1931IS5#TRMPBF is versatile for various applications, including OLED displays and CCD applications.
• High Efficiency: The LT1931IS5#TRMPBF is designed for efficiency, capable of delivering efficiencies as high as 86%, which helps to minimize heat generation and extend battery life in portable applications.
• Low Noise: The device's constant frequency switching ensures low noise operation, which is critical for sensitive RF and audio circuitry.
• Internal 1.2A Power Switch: The inclusion of an internal 1.2A power switch simplifies the design and reduces external component count.
• Stable with Ceramic Capacitors: The regulator remains stable with ceramic output capacitors, providing a reliable performance with modern capacitor technologies.

Applications:

• Portable Electronics
• OLED Displays
• CCD Applications
• GPS Devices
• Medical Diagnostic Equipment
• Wireless Modems

The LT1931IS5#TRMPBF is a robust and versatile switching regulator that provides a compact power solution without sacrificing performance. Its high frequency, low noise characteristics, and ability to work with ceramic capacitors make it a go-to choice for engineers seeking a reliable and efficient power management component for their next project.

As part of Linear Technology's commitment to high-quality products, the LT1931IS5#TRMPBF is designed to meet the stringent requirements of a wide range of industrial and consumer applications, ensuring both reliability and performance.