MAX608ESA+T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX608ESA+T is a device belonging to the PMIC – Voltage Regulators – DC DC Switching Controllers family. This device is a DC/DC controller optimized for flyback and other isolated-output, self-regulated power supplies. It features low RDS(ON) and low gate capacitance to enable high frequency operation, low input-output voltage differential, low quiescent current, and low shut-down current. Its wide support of optimization features, such as current mode control, fast line/load transient response, and synchronous rectification control make the MAX609ESA+T ideal for many application requirements.

In terms of the application field of the MAX608ESA+T, this device can be used in telecom line cards, distributed power systems, communication and industrial power supplies, notebook power adapters, and other DC/DC power conversion applications. It has industry standard selectable operating parameters such as supply and feedback voltage, ramp rate, current limit, power limit, compensation, and dead time. Additionally, an optional package variant allows for an external sense and adjust pin for improved load regulation and efficiency.

Now let’s look at the working principle of the MAX608ESA+T. Essentially, it uses the voltage at the compensation pin to control the on-time of the converter. When the input voltage is higher than the output, the compensation voltage is low and the controller will force the output to be higher than the input. Conversely, when the input voltage is lower than the output, the compensation voltage is high and the controller will force the output to be lower than the input. When the voltage feedback loop is closed and properly configured, the output voltage will remain constant despite changes in the input voltage.

The MAX608ESA+T provides both current-mode and voltage-mode control. In the voltage mode control, the controller senses the voltage at the feedback pin and adjusts the duty cycle to maintain the output voltage at the set point. In current-mode control, the controller senses the current in the switch and adjusts the duty cycle to keep it constant. This makes current-mode control much more stable as it is less subject to noise on the input voltage.

Furthermore, the MAX608ESA+T supports synchronous rectification, which eliminates the considerable power loss associated with the rectifier in a standard power supply design. In a synchronous rectification design, the switch is turned on and off at predetermined points to regulate the power distribution preestablished by the load. Further, the MAX608ESA+T supports the use of an external current sense resistor which allows for greater power delivery than what the internal primary side current sensing could provide. This is especially useful for applications in which the output current can be quite high.

In conclusion, the MAX608ESA+T is an ideal choice for telecom line cards, distributed power systems, communication and industrial power supplies, notebook power adapters, and other DC/DC power conversion applications. Its wide range of optimization features, including support for current-mode and voltage-mode control, fast line/load transient response, synchronous rectification, and an optional external sense and adjust pin make the MAX608ESA+T an efficient and reliable solution for these applications.

The specific data is subject to PDF, and the above content is for reference