The MIC2289-34YML is a high-efficiency synchronous step-down regulator manufactured by Micrel (now Microchip Technology). This regulator is designed to provide a regulated 3.4V output voltage from a higher input voltage. Its high switching frequency allows for small external components, making it ideal for space-constrained applications.

Applications

• Portable devices
• Point-of-load regulators
• Battery-powered equipment
• Handheld instruments
• Wireless communication devices

Features

• High efficiency
• High switching frequency
• Internal synchronous rectification
• Current limiting protection
• Thermal shutdown protection

Benefits

• Extended battery life
• Small solution size
• Reduced component count
• Protection against overloads and short circuits
• Reliable operation under varying load conditions

Additional Details

The MIC2289-34YML features internal synchronous rectification, which improves efficiency and reduces power dissipation. The high switching frequency allows for the use of smaller inductors and capacitors, minimizing the overall solution size. Additional details, including input voltage range, output current capability, switching frequency, and efficiency curves, are available in the product datasheet. The device also incorporates current limiting and thermal shutdown protection to prevent damage under fault conditions.