MAX8868EUK25+T

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The MAX8868EUK25+T is a low noise, low quiescent current, micro power series mode, linear regulator with a precision output voltage set. It is part of the PMIC (Power Management IC) category, more specifically the Voltage Regulators - Linear subcategory.

With a wide input voltage range of 2.2V-5.5V up to 1.1A output current, the MAX8868EUK25+T is designed to regulate the output voltage in micro power applications such as automotive, consumer, industrial, and wearables. Its pin-compatible design also means higher efficiency and faster transient response. The embedded Ripple Rejection controller helps to compensate for the output ripple due to load transients, thus providing higher output voltage accuracy.

The MAX8868EUK25+T contains an externally adjustable precision feedback loop control, low quiescent current, and a shutdown mode to support the efficient use of battery power. Its current sensing sets up its Thermal Energy Management (TEM) system to protect against overloads and current limit the regulator. Its internal features also provide protections on a load dump, output over voltage, under voltage, and over current.

This device features a 2.5V internal reference voltage and can be set by an external resistor divider to achieve any output voltage between 0.8V - 3.6V with good accuracy. The quiescent current of the MAX8868EUK25+T is typically 6uA (100nA when in shutdown mode) and the min/max output current sensing limit can reach up to 0.8A/1.1A.

How does the MAX8868EUK25+T work? This PMIC works by monitoring the output voltage with its internal control loop. The digital monitoring output feedback voltage is compared to the internal reference voltage, which is adjustable with an external resistor divider. This control loop adjusts the output current of the regulator, thus regulating the output voltage. The output current is monitored by the series-mode control architecture, which Then sets up its thermal energy management system to protect against overcurrents.

The MAX8868EUK25+T is an excellent choice for applications that require a low quiescent current, high efficiency, and stability in a variety of high-end, low-power applications. With its very low current consumption, small size, and optional shutdown mode, the device offers an efficient solution to portable electronics, cameras, wearables, and other low power applications.

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