PMIC - Voltage Regulators - Special Purpose

The BD3531F-FE2 Voltage Regulator is a special purpose, single-channel Voltage Regulator designed for use in high-performance, power-sensitive applications, such as in 5V battery-operated equipment. It has been designed to feature a very low quiescent current and a high power supply rejection ratio for superior voltage regulation characteristics. The BD3531F-FE2 is a versatile Voltage Regulator that can be adjusted to provide a range of output voltages from 1V to 5V. It is ideal for use in a wide range of applications, including medical devices, optical communication systems, and ultra-low-power computing.

Application Field

The BD3531F-FE2 Voltage Regulator is specialty designed for use in a variety of applications. The main application field for the device is high-performance, power-sensitive applications, such as in 5V battery-powered equipment. Examples of such applications include medical devices, optical communication systems, ultra-low-power computing, and many other types of power-sensitive applications. The BD3531F-FE2 has been specifically designed for use in these types of applications due to its excellent regulation characteristics and low quesecent current.

Working Principle

The BD3531F-FE2 Voltage Regulator utilizes a high-frequency, pulse-width modulated (PWM) voltage regulator integrated circuit to provide an adjustable, low-noise, economical voltage source. The device has a Constant Voltage (CV) operating mode as well as an operating mode which provides Sequenced Current Foldback (SCF). In the CV mode, the device regulates the output voltage by sensing the input voltage and providing a constant voltage output. In the SCF mode, the device regulates the output current based on the load current and the input supply voltage.

The BD3531F-FE2 features two voltage detector circuits, which allow for both undervoltage and overvoltage protection. The device also features a thermal protection mechanism, which halts the output voltage if the device temperature exceeds a predetermined safe temperature limit. The device also features an adjustable current limit feature, which limits the output current to a set level in order to protect the device from overloading.

The BD3531F-FE2 also features a number of advanced power-management features, such as Power-On Reset and Battery-On Reset. The Power-On Reset feature enables the device to automatically reset the output voltage upon power-up, while the Battery-On Reset feature enables the device to reset the output voltage when the input power source is switched from either a power adapter or battery.

Overall, the BD3531F-FE2 Voltage Regulator is an ideal solution for high-performance, power-sensitive applications due to its excellent regulation characteristics and low quiescent current. Its wide range of features, such as its adjustable output voltage, power protection circuitry and power-management features, make the BD3531F-FE2 an ideal choice for single-channel, low-power applications.