Maxim Integrated MAX1997ETJ+T Step-Down Controller

The Maxim Integrated MAX1997ETJ+T is a highly efficient, synchronous step-down controller designed for precision voltage regulation in a variety of applications. This compact and versatile controller is part of Maxim's extensive line of power management solutions, offering designers the flexibility and performance needed to meet stringent power requirements.

Key Features

• High Efficiency: The MAX1997ETJ+T employs a synchronous rectification scheme that provides high efficiency, which is critical for reducing heat and improving system reliability in power-sensitive designs.
• Wide Input Voltage Range: With an input voltage range from 4.5V to 28V, the device can accommodate a variety of power sources, making it suitable for applications with fluctuating supply voltages.
• Adjustable Output Voltage: The output voltage is adjustable down to 0.7V with a precision reference voltage, enabling fine-tuning for specific application needs.
• Compact Package: The MAX1997ETJ+T comes in a space-saving, 32-pin thin QFN package, ideal for applications where board space is at a premium.
• Integrated MOSFET Drivers: It includes internal MOSFET drivers that provide robust drive capability, reducing the need for external components.
• Overvoltage Protection: The device features overvoltage protection that helps prevent damage to downstream components in the event of a supply voltage spike.

Applications

The MAX1997ETJ+T is suitable for a wide range of applications, including but not limited to:

• Point-of-Load (POL) power supplies
• Networking and telecommunications equipment
• Computing peripherals
• Industrial control systems

Technical Specifications

Below are some of the technical specifications for the MAX1997ETJ+T:

• Switching Frequency: Programmable from 200kHz to 600kHz
• Thermal-Overload Protection: Ensures the controller shuts down to prevent overheating
• Soft-Start Capability: Minimizes inrush current during startup
• Power-Good Output: Provides system feedback for reliable startup and operation

The MAX1997ETJ+T step-down controller from Maxim Integrated is a robust power management solution that combines performance, efficiency, and versatility, making it an excellent choice for designers seeking to optimize their power supply designs.