MAX1634AEAI+

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Voltage regulators are electronic circuits designed to maintain a constant, stable voltage level irrespective of the load or supply conditions. The MAX1634AEAI+ is a DC-DC switching controller designed to offer a vast amount of voltage regulation functionality in a minimum-sized package. With its powerful on-chip engine and tiny packages, the MAX1634AEAI+ makes it possible to easily extend battery life, reduce component count and overall system cost in a variety of portable battery powered applications.

Overview of the MAX1634AEAI+

The MAX1634AEAI+ is an adjustable, high-efficiency, low-noise, medium-density switch mode voltage regulator. It offers a wide range of features and performance including adjustable output, 1.8V to 5.5V output regulation, active current limiting, and fast transient response. The MAX1634AEAI+ can be used for both battery-powered and line-powered applications. It is available in a tiny 3mmx3mm, 6-pin TDFN-6 package and offers a high level of integration, fewer external components, and a high degree of board space and cost savings.

Working Principle

The MAX1634AEAI+ implements two modes of operation: switched-mode and pulse-width-modulated (PWM) operation. In switched-mode operation, the voltage supplied to the load is regulated by turning the switch on and off. The frequency of the switching is determined by an external clock. During the on-time, the switch is turned on and the current is supplied, while during the off-time, the switch is turned off, and no current is supplied. In PWM mode, the duty cycle of the output determines the amount of current supplied to the load. If the duty cycle is low, only a small amount of current is supplied and vice versa. The MAX1634AEAI+ can quickly transition between the two operating modes in response to changing load conditions.

Features

The MAX1634AEAI+ offers a wide range of features that make it an ideal choice for many battery-powered applications. It offers a low quiescent current for long battery life, adjustable output voltage from 1.8V to 5.5V, over-voltage protection and under-voltage lockout. It also offers active current limiting, fast transient response, and adjustable PWM switching frequency from 100kHz to 1MHz. The MAX1634AEAI+ is also RoHS compliant and comes in 8-pin TDFN-6 and SO-8 packages.

Applications

The MAX1634AEAI+ can be used in a variety of battery-powered applications such as cellular phones, PDAs, GPS receivers, digital cameras, and other portable electronic devices. It offers a wide range of features and performance, allowing designers to maximize battery life and minimize component count while also reducing board space and overall system cost. The MAX1634AEAI+ is an attractive solution for designers looking to minimize system cost and maximize performance.

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