MAX5021EPA

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The MAX5021EP/A is a high-performance, step-up DC-to-DC switching controller that offers the flexibility and power efficiency needed to drive up to 15 A of continuous output current. It is ideal for applications such as cellular phones, energy storage systems, motor drives, and low-voltage/high-current DC-DC converters. This device provides adjustable voltage, current, switching frequency, and soft start, making it one of the most versatile DC-DC controllers available.

The MAX5021EP/A consists of a low-power stage controller, voltage and current sense amplifiers, level shifters, over temperature protection circuits, and an open drain output stage. The device is available in 8-pin power packages, such as the MAX5021E, and is designed for controlling buck or boost topology power supplies. It is an ideal choice for low-noise, tightly regulated power supply designs. The device\'s wide input range of 1.5 V to 17 V and a programmable output range of 0.8 V to 16 V make the MAX5021EP/A the ideal device for a variety of applications.

The MAX5021EP/A has several features that help reduce noise, improve efficiency, and extend system battery life. The input source control circuitry is designed to switch the device on and off automatically, reducing quiescent current and preventing current flow in the reverse direction. The over temperature protection circuitry shuts down the device when the temperature reaches a predetermined level, helping to protect the system and prolong battery life. The device also features programmable loop compensation and a tight output voltage regulation.

The MAX5021EP/A has a minimum startup voltage of 2.5 V, which enables it to start operating even in the absence of an input voltage. The device offers high efficiency over an operating input voltage range of 2 V to 17 V, making it suitable for applications with fluctuating input voltages. The switching frequency is adjustable from 500 kHz to 1.1 MHz, depending on the desired level of output noise. The MAX5021EP/A also features soft start and pre-bias control, allowing the device to start up without false triggering, and reduce output voltage ripples.

In addition to its adjustable output voltage, the MAX5021EP/A also provides adjustable output current limiting, making it suitable for applications with varying load currents. The device is available in an 8-pin TSOP package, offering a space-saving footprint. The device also features over-temperature protection circuitry, eliminating the need for external external components.

Overall, the MAX5021EP/A is an ideal choice for low-noise, tightly regulated voltage regulator designs, offering adjustable voltage, current, switching frequency and soft start, as well as comprehensive over-temperature protection. The device is also versatile enough to be used in a variety of applications, such as energy storage systems, motor drives and low-voltage/high-current DC-DC converters.

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