Maxim Integrated MAX8734AEEI High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

The Maxim Integrated MAX8734AEEI is a highly integrated power-supply controller designed specifically for use in notebook computers. This advanced IC is engineered to provide efficient power management and is capable of driving four main outputs required by modern notebook CPUs. With its high-efficiency operation and small form factor, the MAX8734AEEI is an excellent solution for portable systems where power efficiency and space savings are critical.

The MAX8734AEEI features a synchronous buck controller for the core CPU supply, a synchronous buck controller for the Northbridge (NB) supply, a 1.5A sink/source tracking linear regulator for the graphics core (GTL) supply, and a 1.5A sink/source tracking linear regulator for the clock supply. This multi-output capability allows the MAX8734AEEI to handle the various power demands of a notebook computer with ease.

One of the key benefits of this power controller is its high efficiency, which helps to extend battery life in portable applications. The device utilizes Maxim's proprietary Quick-PWM™ quick-response, constant-on-time PWM control scheme that provides fast transient response, high efficiency, and excellent loop stability. Additionally, the MAX8734AEEI is equipped with an active voltage positioning feature with adjustable gain and offset, which reduces power dissipation and improves system response to load transients.

The MAX8734AEEI also includes a variety of protective features to ensure the stability and longevity of the notebook's power system. These features include overvoltage protection, thermal shutdown, and current limit. The device is fully adjustable, allowing for precise setting of output voltages to match specific requirements of the CPU and peripherals.

Available in a compact 28-pin TSSOP package, the MAX8734AEEI is designed to occupy minimal board space, which is essential for the sleek designs of modern notebooks. With its combination of power efficiency, multiple outputs, and compact size, the MAX8734AEEI from Maxim Integrated is a top choice for designers looking to optimize the power systems of their notebook computer designs.