The DC753A is a high-performance demonstration board from Linear Technology, designed for showcasing the capabilities of the LTC3455EUF, a dual DC/DC converter and PowerPath controller IC. This product is engineered to provide a compact, efficient, and versatile power management solution for portable applications.

Key Features

• Dual DC/DC Converters: The LTC3455EUF features two independent DC/DC converters with adjustable output voltages, allowing for simultaneous power supply to multiple devices or systems.
• PowerPath Control: Integrated PowerPath control ensures seamless transition between input power sources, such as USB and wall adapters, to the battery while providing priority to the system load.
• High Efficiency: Designed for high efficiency, the DC753A minimizes power loss and heat generation, extending battery life and improving overall system performance.
• USB Compatible: The board is designed to comply with USB power specifications, making it suitable for USB-powered devices requiring up to 500mA of current.
• Overvoltage Protection: The LTC3455EUF includes overvoltage protection to safeguard the device and connected components from potential damage due to voltage spikes.
• Compact Design: The DC753A's small form factor makes it ideal for integration into portable devices where space is at a premium.

Applications

The versatility of the DC753A makes it an excellent choice for a wide range of applications, including but not limited to portable medical devices, handheld instruments, and personal multimedia devices. Its ability to efficiently manage power between multiple sources and sinks while maintaining a small footprint is especially advantageous in modern portable electronics that demand reliable and efficient power management.

Technical Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range (Converter 1): 0.8V to VIN
• Output Voltage Range (Converter 2): 2.5V to VIN
• Maximum Output Current (USB Mode): 500mA
• Package: 24-Lead QFN (4mm × 4mm)

The DC753A is a testament to Linear Technology's commitment to providing innovative power solutions that enhance the functionality and efficiency of portable electronic devices.