Linear Technology LT1617ES5-1 Step-Up DC/DC Converter

The LT1617ES5-1 is a compact, high-efficiency, step-up DC/DC converter designed by Linear Technology, a leader in analog integrated circuits. This device is specifically engineered to provide a stable power supply for battery-powered applications, where extending battery life is critical. The LT1617ES5-1 is housed in a small SOT-23 package, making it an excellent choice for space-constrained applications.

Key Features:

• Versatile Input Voltage: The converter accepts an input voltage range from 1.2V to 15V, catering to a broad spectrum of power sources, from single-cell batteries to multi-cell battery stacks and wall adapters.
• Adjustable Output Voltage: The output voltage is adjustable up to 34V, allowing for a high degree of flexibility in matching the voltage requirements of various loads.
• High Efficiency: The LT1617ES5-1 boasts a high efficiency of up to 96%, minimizing energy loss and heat generation, thus preserving battery life and ensuring reliable operation.
• Low Quiescent Current: Its low quiescent current is particularly beneficial in extending battery runtime when in standby or light-load conditions.
• Fixed and Adjustable Versions: The product is available in both fixed and adjustable output voltage versions, providing options for standardized designs or custom applications.
• Internal 1.4A Switch: The integrated 1.4A switch enables the LT1617ES5-1 to deliver substantial output currents even in its miniature form factor.
• Soft-Start Function: A built-in soft-start function limits inrush current during startup, enhancing system stability and longevity.

Applications:

The LT1617ES5-1 is particularly well-suited for portable devices where size and battery life are of paramount importance. Typical applications include:

• Cellular Phones
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Portable Medical Equipment
• Wireless and DSL Modems
• MP3 Players

In summary, the LT1617ES5-1 from Linear Technology is a versatile and efficient solution for boosting DC voltages in a variety of portable applications. Its small size, combined with high performance and power-saving features, makes it an ideal choice for designers looking to optimize their power management systems.