MAX1742EEE+T

MAX1742EEE+T DC-DC Switching Regulators

DC-DC switching regulators are a popular choice for a variety of applications, due to their ability to efficiently convert a higher voltage input to the desired, lower voltage output. The MAX1742EEE+T is a DC-DC switching regulator from Maxim Integrated, designed to provide a variable output voltage from a DC input, from 0.8V to 5.5V.

MAX1742EEE+T Features

The MAX1742EEE+T offers a variety of features that make it ideal for a wide range of applications. One of the key features of the design is its ultra-low quiescent current, which makes it ideal for portable applications. The MAX1742EEE+T also boasts high power efficiency and excellent line and load regulation.

It has a wide operating temperature range, making it suitable for use in industrial and automotive applications. The robust design also has current and thermal protections, ensuring reliable operation. Finally, the MAX1742EEE+T is available in a small, 6-pin SOT-23 package, which increases the design flexibility.

MAX1742EEE+T Applications

The MAX1742EEE+T can be used in a wide variety of applications, such as automotive, consumer electronics, medical instrumentation, and industrial electronics. Examples of uses of the MAX1742EEE+T include powering LCD module displays, powering 5V logic circuits from a 3V cell battery, and providing an adjustable supply for a buck regulator.

MAX1742EEE+T Working Principle

The MAX1742EEE+T is an integrated synchronous Buck regulator, operating by means of a pulse-width-modulated (PWM) control scheme. Its basic operation consists of a high-side P-type MOSFET and a low-side N-type MOSFET, connected in a “buck” configuration. This allows it to regulate the output voltage, while minimizing power dissipation.

The main component of the MAX1742EEE+T is the LM3882, an adaptive, low-power single-channel PWM controller. This controller uses feedback signals from the output voltage terminals to adjust the duty cycle of the switching regulator, providing accurate and efficient voltage regulation. The LM3882 also allows the MAX1742EEE+T to offer excellent line and load regulation performance.

The MAX1742EEE+T also features a high-side P-type MOSFET and a low-side N-type MOSFET, connected in a buck configuration. This configuration allows for input voltages up to 28V, making it ideal for automotive, industrial and consumer applications. The low-side MOSFET also features current limiting, providing protection for the load against over-current conditions.

Overall, the MAX1742EEE+T is a reliable and efficient DC-DC Switching regulator from Maxim Integrated, suitable for a wide range of applications. Its low quiescent current and high power conversion efficiency make it particularly attractive for portable, industrial and automotive applications. Its integrated LM3882 PWM controller also ensures excellent line and load regulation performance.