MAX19997AETX+T DC/DC Converter IC, High-Efficiency Power Module, TQFN Package

MAX19997AETX+T Overview

The MAX19997AETX+T is a high-performance synchronous step-down DC-DC converter designed for industrial and automotive power management applications. Operating efficiently across a wide input voltage range, it delivers up to 3A continuous output current with excellent thermal performance in a compact package. The device integrates advanced protection features, including overcurrent and thermal shutdown, ensuring robust and reliable operation in demanding environments. Ideal for powering microcontrollers, FPGAs, and sensors, this converter optimizes system efficiency while minimizing board space. For detailed product support and purchasing, visit IC Manufacturer.

MAX19997AETX+T Technical Specifications

MAX19997AETX+T Key Features

• Wide Input Voltage Range: Supports 4.5V to 40V input, enabling operation in automotive and industrial environments with varying supply levels.
• High Efficiency Up to 95%: Minimizes power loss and thermal dissipation, extending system reliability and reducing heat sink requirements.
• 3A Continuous Output Current: Adequate for powering modern microcontrollers, FPGAs, and sensors with stable voltage regulation.
• Advanced Protection Circuitry: Built-in overcurrent and thermal shutdown protect the device and system from damage under fault conditions.
• Fixed 500kHz Switching Frequency: Balances efficiency with compact external components, simplifying PCB design.
• Compact 16-Pin TQFN Package: Saves board space and supports automated assembly in high-density applications.
• Current-Mode PWM Control: Ensures fast transient response and excellent line/load regulation for stable output voltage.

MAX19997AETX+T Advantages vs Typical Alternatives

This converter offers a unique combination of a wide input voltage range up to 40V and high efficiency reaching 95%, outperforming many standard DC-DC modules limited to lower voltage inputs or less efficient regulation. Its integrated protection features enhance system reliability, reducing the need for external components and lowering overall design complexity. The compact 16-pin package enables space-saving layouts, making it an optimal choice for industrial and automotive power solutions requiring robust, efficient, and precise voltage regulation.

Typical Applications

• Industrial automation systems requiring stable 3A power rails from wide input voltage sources, ensuring reliable operation of control units and sensors.
• Automotive electronic modules where input voltage spikes and wide voltage ranges are common, demanding robust step-down conversion.
• Embedded computing platforms such as microcontrollers and FPGAs benefiting from tightly regulated power supplies to maintain performance.
• Communication equipment and networking devices that require efficient power management to support continuous operation and thermal stability.

MAX19997AETX+T Brand Info

The MAX19997AETX+T is a product from Maxim Integrated, a trusted leader in analog and mixed-signal semiconductor solutions. Known for delivering innovative power management ICs, Maxim Integrated ensures this synchronous buck converter meets rigorous industrial standards. The product is engineered for high reliability and efficiency, supporting demanding environments with broad input voltage support and advanced protection features. As part of Maxim??s portfolio, it benefits from comprehensive technical documentation and global distribution channels.

FAQ

What is the input voltage range of the MAX19997AETX+T?

The device supports a wide input voltage range from 4.5V up to 40V, making it