MAX1823HEUB+T

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Powers systems that require the delivery of multiple power sources to multiple subsystems must be managed and monitored to ensure their maximum efficiency, particularly in industrial, medical, consumer and embedded applications. MAX1823HEUB+T is a power management IC (PMIC) designed to provide an efficient, reliable and cost-effective solution to solve such applications. The MAX1823HEUB+T can be broadly characterized as a specialized PMIC in terms of both its application field and working principle.

The MAX1823HEUB+T may be used in multiple application fields. The telecom and datacom markets are among its immediate application areas, which include POS and remote access systems. Additionally, the device can be deployed in automotive systems, measuring instruments, audio systems, central office equipment, and point-of-sale systems. It is also suitable for use in various industrial applications, such as white goods, industrial control and communications.

The MAX1823HEUB+T works with several voltage levels, such as system voltages ranging from 3.3V to 5.5V and multi-rail outputs from 0.9V to 3.3V. It helps in optimizing power management by utilizing a high-efficiency Step Down regulator, two low-dropout (LDO) regulators, and two charge pumps. The Step Down regulator is pulse-width modulation (PWM). It supports output voltage range from 0.9V to 3.3V and output current up to 3A. Additionally, its quiescent current is a maximum of 10μA.

The two LDO regulators are used to support output voltage at as low as 0.8V while switching frequency is adjustable from 500KHz to 2.2MHz. The charge pumps use four small external capacitors to support output voltage up to 4.8V while frequency is adjustable from 500KHz to 2.2MHz. The four adjustable feature sets of the device enable users to easily design systems that target efficient and reliable power management.

Furthermore, MAX1823HEUB+T employs several safety features to protect downstream systems from any unexpected events, such as an overcurrent/overvoltage condition, a short circuit condition, and thermal shutdown. The robust design of the device ensures further protection from any system failure. It also supports superior EMC performance by maintaining the EMI filter requirements.

In conclusion, the MAX1823HEUB+T provides an efficient, reliable and cost-effective solution for multiple application fields. Its pulse-width modulated Step Down regulator and two adjustable LDO regulators/charge pumps enable users to easily design systems with superior power management. The device provides a comprehensive set of features to protect downstream systems from any unexpected events or system failure. Its remarkable design makes it suitable for use in various industrial, communication, consumer and automotive applications.

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