AZ78L09RTR-G1

AZ78L09RTR-G1 is a voltage regulator for power management (PMIC) which is categorized under linear voltage regulators. This device provides different features including tight load regulation specifications and wide output adjustability range. It features low quiescent current and low dropout voltage, making it suitable for applications that has tight following current specification, such as PC power supplies, processor core regulated rails, lighting systems and other small devices that require precise voltage regulation.

The AZ78L09RTR-G1 works by receiving a voltage input which is higher than the output voltage, and then converts it to the exact target output voltage, maintaining the precise voltage regulation. It contains an internal pass-transistor, switching regulator, linear regulator, and error amplifier. The pass-transistor and error amplifier are used to sense and compare the input to the target output voltage. The switching regulator is used to convert the voltage while the linear regulator precisely regulates the target output voltage.

Generally, the application field of AZ78L09RTR-G1 is board-level voltage regulation for computer, communication and other embedded systems. It provides a 3A load segment whose peak load current can be up to 3A at ambient temperature. This makes it suitable for 1.2V to 3.0V mixed signal systems, providing a precise voltage output within the range of ±1.0% accuracy. Its wide input voltage range from 4.5V to 18V also allows it to be configured for multiple established power sources.

The unique features of AZ78L09RTR-G1 makes it suitable for PC applications such as ATX, BTX and other industrial computing equipment where high load current and precise voltage regulation are required. Furthermore, it is also suitable for LED lighting applications. As LED lighting systems are designed to have high efficiency, the low quiescent current and low dropouts of AZ78L09RTR-G1 can efficiently work in the existing circuit and provide precise voltage regulation, ensuring a better overall performance.

In sum, AZ78L09RTR-G1 is a voltage regulator that is suitable for power management applications, falling into the category of linear voltage regulators. It features tight load regulation specifications, wide output adjustability range, low quiescent current, and low dropout voltage. Its application field includes PC power supplies, processor core regulated rails, LED lighting systems and other small devices requiring precise voltage regulation.