LT3473AEDE#TRPBF – A Compact Micropower DC/DC Converter

The LT3473AEDE#TRPBF from Linear Technology is a versatile and compact micropower step-up DC/DC converter that is ideal for battery-powered applications. This integrated circuit is designed to provide a step-up function with a high level of efficiency, making it suitable for portable devices where power conservation is critical. Its small form factor and the convenience of a minimal external component count make it a popular choice for designers working on space-constrained applications.

Key Features:

• Integrated Schottky Diode: The LT3473AEDE#TRPBF features an internal 0.5A, 40V Schottky diode, which simplifies the design and reduces the overall bill of materials.
• Wide Input Voltage Range: It operates from an input voltage range of 2.8V to 16V, accommodating a variety of power sources from single-cell Li-Ion batteries to multi-cell alkaline batteries.
• Adjustable Output Voltage: The output voltage is adjustable up to 40V, providing flexibility for various applications, including OLED displays and CCD applications.
• Low Quiescent Current: Its quiescent current is a mere 26uA, which enhances battery life in portable devices.
• High Switching Frequency: With a switching frequency of 1.2MHz, the LT3473AEDE#TRPBF allows the use of small inductors and capacitors, resulting in a compact power supply solution.
• Thermally Enhanced Package: It comes in a 12-lead low profile (0.75mm) 4mm × 3mm DFN package, which is designed for optimal thermal performance.

Applications:

The LT3473AEDE#TRPBF is suited for a wide range of applications, including but not limited to:

• Portable Lighting
• OLED Displays
• Cellular Phones
• Medical Diagnostic Equipment
• CCD Bias Supply
• GPS Devices

Linear Technology's LT3473AEDE#TRPBF is a robust and efficient solution for designers seeking a high-performance micropower DC/DC converter in a compact package. Its combination of features and ease of use make it an excellent choice for a multitude of power conversion applications.