MAX1771EPA

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 MAX1771EPA is a pulse width modulation (PWM) based voltage-mode DC/DC switching controller which is a part of the series of voltage regulators and DC/DC switching controllers. It provides efficient, linear control of DC/DC converting systems up to a 10A current source as well as improved transient response and improved AC line transient noise immunity.

The MAX1771EPA is suitable for applications that require higher power levels, such as industrial and medical power supplies. The features and benefits are increased circuit integration and smaller layout compared to other switching regulators, as well as precise voltage regulation and improved transient response.

The MAX1771EPA operates from an input voltage range of 2.7V to 5.5V and provides an adjustable output voltage between 0.8V and 5.5V. Its operating frequency can be set between 200kHz and 2MHz, ensuring superior transient response and excellent noise immunity.

The device has several features, including programmable transconductance, current mode feed-forward capability for improved dynamic response, flexible programmable soft-start, and programmable current limit. Its current-mode control ensures excellent line-transient response and stability. The MAX1771EPA also includes frequency synchronization and power-good indication.

The MAX1771EPA allows for better thermal design by limiting the thermal gradient inside the system. It can also be used in a wide range of applications, such as notebook computers, servers, power adapters, medical power supplies, battery chargers, and other non-isolated DC/DC converters.

The MAX1771EPA has a unique working principle in which the transconductance of the device is used as the primary control parameter. This enables the device to adjust its output voltage according to the loadcurrents. The transconductance is controlled by the current flowing through the internal transistor or by selecting the proper external resistor. This feature helps the device to track the fluctuating load current and maintain the desired output voltage under all operating conditions.

The device also offers frequency synchronization and power-good indication. The synchronized frequency reduces the interactions between switching converters, while the power-good indication notifies the system about the output voltage status. The device also provides programmable over-current protection, under-voltage lockout, current limit, soft-start, and over-temperature protection.

The MAX1771EPA is suitable for a variety of demanding applications such as automotive, notebook computers, medical equipment, and consumer electronics. Its features make it well suited for those applications that need higher power levels and improved transient response. The device has excellent performance with a wide input voltage range, high bandwidth, and power-good indication.

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