AS1312-BTDT-50

PMIC - Voltage Regulators - DC DC Switching Regulators

The AS1312-BTDT-50 is a DC-DC switching regulator that is part of a range of Advanced Analogic Technologies voltage regulator Family. It is specifically designed for mobile device applications, such as notebook computers, digital still cameras and portable media devices.

The AS1312-BTDT-50 is a buck-boost regulator with a switching current of 50 A and an operating junction temperature of 85 °C. It runs on a 5.5 V input and has an adjustable output voltage of 1.5 to 5.5 V. In addition, it has a maximum power dissipation of 5 Watts, making it suitable for mobile device applications.

Features

The AS1312-BTDT-50 provides a range of features that make it suitable for mobile device applications, such as:

• Multiple current limit levels for improved system safety.
• Synchronous rectification for improved efficiency.
• Accurate on/off switching.
• Integrated MOSFETs for improved system integration.
• Programmable soft start.
• Programmable frequency selection.
• Integrated load disconnect switch.
• Integrated quick start circuit.

Applications

The AS1312-BTDT-50 is suitable for a range of mobile device applications, including:

• Notebook computers
• Digital still cameras
• Portable media devices

Working principle

The AS1312-BTDT-50 is a buck-boost regulator that employs a synchronous rectification technique to achieve good efficiency. The efficiency is improved when the input voltage is lower than the output voltage, and the AS1312-BTDT-50 is able to switch its operating mode automatically depending on the input voltage. It is also capable of providing a wide range of output current and voltage levels.

The AS1312-BTDT-50 has a wide range of integrated features, such as load disconnect switch, synchronous rectification and a programmable soft start. The load disconnect switch helps improve system safety, while the synchronous rectification improves efficiency and the programmable soft start helps reduce the inrush current. The integrated MOSFETs also help improve system integration.

The AS1312-BTDT-50 also offers a wide range of programmable features, such as programmable frequency selection and multiple current limit levels. The frequency selection enables the user to adjust the overall operating frequency depending on the application, while the multiple current limit levels enable the user to set the current limit to suit the application.

Overall, the AS1312-BTDT-50 is well suited for mobile device applications, such as notebook computers, digital still cameras and portable media devices. It provides good efficiency, integrates several features for improved system safety and integration, and offers a wide range of programmable features for improved flexibility and customization.