MAX5040EUB

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The MAX5040EU is a specialised voltage regulator from Maxim Integrated, designed for ultra-low-power applications with fast transient performance and low quiescent current. It is a low-dropout voltage regulator (LDO) that uses a combination of PMOS and NMOS transistors to control and regulate the output voltage. The MAX5040EU is well-suited to applications such as ultra-low-power wearables, IoT nodes, medical sensors and other battery powered systems.

The MAX5040EU is a monolithic LDO, available in a compact 8-pin package and capable of generating a regulated output voltage of 2.5V to 15V, typically within 0.2V of the desired output. It requires an input voltage between 3V and 15V, making it ideal for use in 1-cell Li-Ion, 2-cell NiMH and other battery operated systems, as well as providing low dropout operation from most unregulated power supplies.

The MAX5040EU can provide a maximum output current of 100mA, making it suitable for most low-power applications, and has a very high power-conversion efficiency, making it ideal for battery-powered applications. It can provide a quiescent current of only 1.75μA when regulating a 2V output and can transition quickly in response to changes in external load, making it very suitable for low power and battery applications and ensuring stable output power when connected to an energy harvesting or other renewable source.

The MAX5040EU is an easy to use, stand-alone device, with few external components required for operation. The device uses external resistors to set the output voltage, and the controls to regulate the output voltage include an internal control loop and feed-forward compensation. Additional features of the MAX5040EU include soft-start and overvoltage protection, as well as thermal overload protection.

The MAX5040EU can be used in a wide range of applications, such as mobile phones and portable batteries, energy harvesting devices, IoT nodes, medical sensors and other low-power, battery operated systems. It is an ideal choice for applications that require fast transient response and low quiescent current.

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