The MAX1673ESA+ from Maxim Integrated is a high-efficiency, compact, step-up DC-DC converter that is designed to provide a reliable power solution for applications requiring voltage boost functionality. It is an ideal choice for battery-powered devices due to its low quiescent current and high efficiency across a wide range of load conditions.

Key Features

• Input Voltage Range: The MAX1673ESA+ operates with an input voltage range of 0.7V to 5.5V, making it versatile for use with various battery chemistries and configurations.
• Adjustable Output Voltage: The output voltage can be adjusted up to 28V, providing flexibility for different circuit requirements.
• High Efficiency: With efficiencies up to 95%, the device ensures minimal power loss and extended battery life for portable applications.
• No External MOSFET Required: The integrated synchronous rectifier eliminates the need for an external power MOSFET, reducing component count and board space.
• Low Quiescent Current: The quiescent current is only 110µA, which is beneficial for battery conservation in portable devices when they are in standby mode.
• Pulse Frequency Modulation (PFM) Control: PFM control provides high efficiency at light loads, further enhancing battery life.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage from overheating.
• Package: Available in an 8-pin SOIC package, the MAX1673ESA+ is easy to integrate into existing designs.

Applications

The MAX1673ESA+ is suitable for a wide range of applications, including but not limited to:

• Portable Electronics
• Handheld Instruments
• Wireless Mice and Keyboards
• Small LCD Displays
• Backup Power Supplies

With its robust feature set and compact size, the MAX1673ESA+ from Maxim Integrated is a highly effective solution for designers looking to enhance the performance and efficiency of their power supply designs.