MAX15026CETD+TG1D

Introduction

MAX15026CETD+TG1D is an integrated DC-DC switching controller, incorporating high-speed MOSFET gate drivers and over-voltage and over-temperature protectors. This device offers wide Vin & Vout up to 20V and 5V, respectively, with a wide adjustable switching frequency up to 1MHz. It provides ON/OFF and Burst Mode operation, constant peak current limit with accurate current sensing and good EMI performance. It is easy to use and design into power management systems and had become a popular choice for various embedded systems and consumer, industrial and automotive applications.

Application Field

MAX15026CETD+TG1D can be used in various application fields, such as consumer electronics, office automation, industrial, automotive and other embedded systems requiring fixed and adjustable output voltages. The main application field for MAX15026CETD+TG1D is DC-DC power conversion. The chip can efficiently convert 5V DC input to adjustable output voltages up to 20V with high efficiency, excellent line/load regulation. It also supports wide input voltage range, constant peak current limit and accurately current sensing.

Working Principle

The MAX15026CETD+TG1D follows a standard DC-DC conversion scheme, a “pulse width modulation” control scheme. The voltage control loop consists of several components: an external MOSFET switch to be driven by the MAX15026CETD+TG1D, an inductor, a capacitor, a resistor, and a feedback input from the output voltage. The chip adjusts the duty cycle of the switch\'s waveform in order to have an output voltage matching the desired value. Through the feedback connection, any deviations of the output voltage from the desired value are detected and corrected by varying the duty cycle.

Conclusion

In conclusion,MAX15026CETD+TG1D is an integrated DC-DC switching controller widely used in various application fields requiring fixed and adjustable output voltages. It has advantages of a wide input voltage range and adjustable switching frequency up to 1MHz, and can efficiently convert 5V DC input to adjustable output voltages up to 20V with high efficiency and excellent line/load regulation. Moreover, it is easy to use and design into power management systems which makes it a popular choice for various embedded systems and consumer, industrial and automotive applications.