Microsemi

A1425A-PQG160I

Microsemi's A1425A-PQG160I is a high-performance, low-power, 4.5V to 5.5V input voltage, single-output synchronous buck regulator with an I2C programmable output voltage. This device is designed to provide a stable and efficient power solution for a wide range of applications, including industrial, medical, and telecommunications equipment.

Description:

The A1425A-PQG160I is a compact, 16-pin, 3mm x 3mm QFN package that offers a wide input voltage range of 4.5V to 5.5V and a programmable output voltage from 0.5V to 5.0V. It features a low quiescent current of 55µA and a low dropout voltage of 300mV, ensuring high efficiency and reliability in various operating conditions.

Features:

1. Wide input voltage range: 4.5V to 5.5V
2. Programmable output voltage: 0.5V to 5.0V via I2C
3. Low quiescent current: 55µA
4. Low dropout voltage: 300mV
5. Synchronous buck topology for high efficiency
6. Internal compensation for easy design and stability
7. I2C programmable frequency from 100kHz to 500kHz
8. Power good signal and fault reporting via I2C
9. Thermal shutdown and overcurrent protection
10. 16-pin, 3mm x 3mm QFN package

Applications:

1. Industrial control systems
2. Telecommunications equipment
3. Medical devices
4. Portable electronics and battery-powered devices
5. Networking and computing equipment
6. LED lighting systems
7. Distributed power systems in aerospace and defense applications

The A1425A-PQG160I is an ideal choice for designers looking for a reliable, efficient, and flexible power solution for their applications. Its wide input voltage range, programmable output voltage, and low quiescent current make it suitable for a variety of power management requirements.