PMIC - Voltage Regulators - Linear + Switching

The MAX8513EEI+T is one of the most efficient voltage regulators based on both linear and switching power supply design principles. The device offers a high-performance solution for any low voltage (< 1.2V) power supply requirements. It is available in a wide range of input and output voltages and options, allowing for a customized solution for almost any application.

Advantages

The MAX8513EEI+T gets the benefit of both linear and switching power supply designs for a wide range of current and voltage requirements. This flexibility allows for high efficiency and low ripple performance, making it ideal for applications requiring low power consumption.

The device can be used in both linear and switch mode operation, giving the option of high-efficiency switching or regulation with low ripple. In addition, the device has a wide input voltage range and operates over a wide temperature range, giving it high reliability in extreme temperatures.

The device can also be powercycle protected, and features thermal protection as well as over-current and over-voltage protection, making it highly resistant to damage due to transient voltages.

Applications

The MAX8513EEI+T is ideal for a wide range of low voltage (< 1.2V) applications, such as CPUs, electronic power supplies, battery-powered systems, computer peripherals and automotive electronics.

In particular, it is well suited for powering low-noise (microprocessor-based) computer peripherals, such as hard drives, network cards and portable electronic devices. It also provides a reliable solution for voltage regulation in PCs, servers and other IT systems, where it helps to ensure reliable system operation.

The device is also an excellent choice for powering automotive applications, particularly those requiring low power consumption. It is capable of regulating voltages with high efficiency, meaning less heat is generated, reducing system cost and complexity.

Working Principle

The MAX8513EEI+T voltage regulator consists of two distinct sections – a linear section and a switching section. The linear section takes incoming AC mains voltage and reduces it to DC using a combination of capacitors, resistors and inductors. This section is designed to be efficient and reduce electrical losses. The switching section then takes this DC input and further reduces it to the desired output voltage.

The linear section is highly configurable, allowing for the creation of a voltage regulator tailored for specific needs. By adjusting the values of the resistors and capacitors, the voltage ripple can be reduced to very low levels.

The switching section of the device drives the output voltage with a Pulse Width Modulated (PWM) signal. This allows for fast response and excellent efficiency, as much of the energy is conserved, resulting in high reliability and long life.

Conclusion

The MAX8513EEI+T is an excellent choice for low voltage (< 1.2V) applications due to its high efficiency, low ripple and wide range of input and output voltages. It is a reliable, powercycle-protected solution ideal for powering computer peripherals, IT systems, and automotive applications.