Product Overview: MAX638AEPA+ from Maxim Integrated

The MAX638AEPA+ is a highly efficient, CMOS, pulse-width-modulated (PWM) step-down DC-DC converter manufactured by Maxim Integrated. Designed to deliver a fixed output voltage from a higher input voltage, the MAX638AEPA+ is an ideal power supply solution for a wide range of applications, including portable devices, embedded systems, and telecommunications equipment.

This versatile component operates over a wide input voltage range from 4.5V to 11V, making it suitable for battery-operated devices as well as those powered from regulated DC sources. The MAX638AEPA+ is capable of providing an output voltage of 5V, with an impressive output current of up to 200mA. Its high-frequency operation at 165kHz allows the use of small, low-cost inductors and capacitors, which reduces the overall footprint and cost of the power supply design.

The device features a high-efficiency design, which not only conserves power but also reduces the heat generated, making it a reliable choice for compact and enclosed designs where thermal management is critical. Additionally, the MAX638AEPA+ includes thermal overload protection, which ensures the device operates within safe temperature limits.

Other notable features of the MAX638AEPA+ include a low quiescent current, typically 110µA, which contributes to a longer battery life in portable applications. The device also offers a low dropout voltage, ensuring continued operation even when the input voltage approaches the output voltage level.

Available in an 8-pin DIP package, the MAX638AEPA+ is not only easy to integrate into existing designs but also provides a robust and durable solution that can withstand the rigors of industrial and commercial environments. Maxim Integrated's commitment to quality ensures that the MAX638AEPA+ meets the highest standards of performance and reliability.

Whether you're designing a new power management system or upgrading an existing one, the MAX638AEPA+ from Maxim Integrated is a smart choice that combines efficiency, versatility, and reliability in a compact package.