MAX1796EUA+

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The MAX1796EUA+ is a DCDC switching regulator designed to provide power to integrated circuits and other low-voltage applications. It features an integrated voltage regulator, a low quiescent current of 8µA, and an adjustable output voltage range of 1.8 to 5.5V.

The MAX1796EUA+ incorporates a voltage regulator along with a high-speed synchronous P-channel MOSFET switch. The internal switching controller contains all the necessary functions to support all switching topologies, including single-ended and split-rail configurations. The controller minimizes output voltage switching noise with internal frequency modulation and skip mode operation. It also includes the necessary functions for fault detection and protection, such as overvoltage, undervoltage, overcurrent, and overtemperature.

The MAX1796EUA+ also includes a soft-start and a UVLO (Under Voltage Lockout). Additionally, the device supports power-up sequencing, output voltage tracking, and is designed to support load sharing and parallel topologies. It also features a shutdown mode to minimize power consumption, an adjustable output voltage, and a switching frequency range of 200 kHz to 2.2 MHz.

The MAX1796EUA+ is ideal for powering microprocessors, RF amplifiers, DSPs, and other low-voltage digital circuits. It is available in 8-pin SOIC and 8-pin µMAX packages, and is capable of delivering up to 2A of continuous output current.

The MAX1796EUA+ provides higher efficiency, lower standby current, and a smaller solution size than linear regulators. It can also be used in a variety of DC-DC and battery-powered applications.

The working principle of the MAX1796EUA+ is fairly straightforward. When the output voltage is below the programmed voltage, the switching controller turns on the regulating MOSFET and increases the output voltage. When the output voltage is above the programmed voltage, the regulating MOSFET is shut off and the output voltage drops. The internal PWM controller also modulates the on/off duty cycle of the switch to keep the output voltage at the programmed level.

The MAX1796EUA+ controller also monitors and adjusts the output voltage in response to changes in load and input voltage. This ensures that the output voltage remains stable, even during dynamic conditions. The device also includes a range of protective features to protect the device from overcurrent, overvoltage, and overtemperature conditions.

The MAX1796EUA+ DCDC switching regulator from Maxim Integrated is an ideal solution for powering microprocessors, DSPs, RF amplifiers, and other low-voltage digital circuits. It is capable of delivering up to 2A of continuous output current, features an adjustable output voltage range of 1.8V to 5.5V, a low quiescent current of 8µA, and a high-speed synchronous P-channel MOSFET switch. The device also includes a variety of protective features and is available in 8-pin SOIC and 8-pin µMAX packages.

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