MAX17101ETJ+T

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Power management integrated circuits (PMICs) are essential in modern electronics. They provide a range of functions, allowing users to design systems with fewer components, lower costs and improved efficiency. Voltage regulators are among the most common PMICs. They are used to adjust output voltage levels, to meet the specific needs of the circuit.

DC-DC switching controllers are a type of voltage regulator. These devices allow components to be powered from a battery, as well as from an external source, such as an AC mains power supply. The MAX17101ETJ+T is an advanced DC-DC switching controller designed for use in notebook computers, mobile phones and other handheld devices.

Applications

The MAX17101ETJ+T has been designed to meet the power requirements of mobile devices, such as notebook computers and mobile phones. It is optimized for low-power applications and can operate with both 1.2V and 1.8V logic levels. It is also suitable for use in multiple-rail applications, such as the power supplies found in mobile phones.

The MAX17101ETJ+T is a highly integrated device that minimizes component count and board space. It can support multiple input and output power rails, making it ideal for use in complex applications. It is also suitable for use in automotive, industrial, and medical systems.

Features

The MAX17101ETJ+T offers a number of features and benefits, to improve performance and reduce power consumption. It supports an input voltage range of 1.8V to 12V, and an output voltage range of 0.6V to 6.5V. The switching frequency is adjustable, and it supports a pulse-skipping mode to reduce power consumption at low load currents.

It also features internal compensation, allowing the user to quickly adjust the output voltage. As the load current increases, the voltage can be set to slowly ramp up, eliminating the use of large output capacitors. The device features input and output over-voltage protection, as well as under-voltage lockout and over-temperature protection.

The device has a minimum start-up current of just 225nA, making it highly energy-efficient. It is also designed for low output noise, in order to minimize disruption to sensitive electronic components. The device is available in both 24-pin TQFN (Thin Quad Flat No Leads) and 54-pin TQFP (Thin Quad Flat Package) packages.

Working Principle

The MAX17101ETJ+T is a switching voltage regulator. It works by controlling the switching of a MOSFET (metal-oxide-semiconductor field-effect transistor), in order to regulate the output voltage. The frequency of the switching is adjusted to control the output voltage, and the device can operate in either continuous or burst modes.

When in continuous mode, the power supply is always switched on, and the voltage is adjusted as needed. In burst mode, the power supply is only switched on when the load current increases beyond a certain threshold. This mode helps to reduce the overall power consumption of the system, as the power supply is only switched on when needed. When the load current drops, the power supply is turned off, saving power.

The internal circuit of the device includes a current-sensing element, which monitors both the input and output currents. It also has an internal voltage reference, allowing precise control over the output voltage. This voltage reference enables output voltage regulation, even in the presence of high temperature variations.

Conclusion

The MAX17101ETJ+T is an advanced switching voltage regulator, optimized for low power and low noise operation. It is suitable for use in multiple-rail power applications, such as those found in mobile phones. The device is highly efficient, with a minimum start-up current of just 225nA. It has an adjustable switching frequency, allowing precise control over the output voltage, and is available in both 24-pin TQFN and 54-pin TQFP packages.

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