Maxim Integrated MAX1722EZK Step-Up DC-DC Converter

The MAX1722EZK from Maxim Integrated is a high-efficiency, compact, step-up DC-DC converter designed to provide a reliable power solution for battery-powered and low-voltage applications. This versatile component is part of Maxim's extensive range of power management ICs, tailored to meet the demanding requirements of modern electronic devices.

Key Features

• Adjustable Output Voltage: The MAX1722EZK allows users to set the output voltage from 2V to 5.5V using an external resistor divider, making it adaptable to various applications.
• High Efficiency: With efficiencies up to 95%, this step-up converter ensures minimal energy loss during voltage conversion, thereby extending battery life in portable devices.
• Low Quiescent Current: The device features a low quiescent current of only 17µA, which is beneficial for battery conservation in standby and idle modes.
• Small Package: Available in a compact 5-pin SOT23 package, the MAX1722EZK is suitable for space-constrained applications.
• Load Disconnect: Its built-in load disconnect feature prevents leakage current from the output to the input when the device is shut down, further conserving battery life.
• True Shutdown™: Maxim's proprietary True Shutdown mode ensures that the output is fully disconnected from the input in shutdown, reducing the shutdown current to less than 1µA.

Applications

The MAX1722EZK is ideal for a wide range of applications, including but not limited to:

• Portable Electronic Devices
• Bluetooth® Headsets
• MP3 Players
• Handheld Instruments
• Medical Devices
• Backup Power Supplies

Technical Specifications

• Input Voltage Range: 0.7V to VOUT
• Output Current: Up to 200mA (depending on input/output voltages)
• Switching Frequency: 1.2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

In summary, the MAX1722EZK from Maxim Integrated is a versatile and efficient solution for boosting voltage in a variety of electronic devices. Its low power consumption, high efficiency, and compact form factor make it an excellent choice for designers looking to maximize battery life without sacrificing performance.