AP7346D-1828FS6-7

PMIC - Voltage Regulators - Linear

The AP7346D-1828FS6-7 is a low-dropout linear regulator that meets the requirements of the majority of I2 C-controlled applications. It provides a complete solution for both voltage regulation and line regulation applications. The AP7346D-1828FS6-7 integrates a constant-current low-dropout voltage regulator, DC-DC converter, and a low-power, low-dropout linear regulator with an integrated current-sense amplifier, as well as several other key components. This integrated solution simplifies the design of a wide variety of applications.

Application Field

The AP7346D-1828FS6-7 is designed to provide regulated output voltages ranging from 1.2 V to 20 V with excellent line and load regulation, low ripple, fast transient response, and high output accuracy. It is ideal for applications that require an extremely low dropout voltage, such as power supplies for personal computers, telecommunication systems, automotive electronic systems, and distributed systems.The AP7346D-1828FS6-7 is also well-suited for applications that require programmable output voltages and load sharing, such as intelligent PDUs, RAID arrays, and backplanes.

Working Principle

The AP7346D-1828FS6-7 is a low-dropout linear regulator that uses a combination of a low-dropout voltage regulator, DC-DC converter, and a low-power, low-dropout linear regulator with an integrated current-sense amplifier. When connected to an input voltage source, the AP7346D-1828FS6-7 will sense the input voltage and regulate the output voltage according to the specified setpoint. The integrated current-sense amplifier allows the AP7346D-1828FS6-7 to monitor the output current in order to ensure a proper current limit. In addition, the AP7346D-1828FS6-7 provides programmable over-current and over-temperature protection.

The AP7346D-1828FS6-7 also provides a number of advanced features, such as remote sensing, load sharing, and programmable soft start. Remote sensing allows the regulator to sense the differential voltage drop between the input and output, thereby allowing the voltage at the load to be more accurately regulated. By incorporating load sharing, multiple regulators can be connected in parallel to share the output load, thus allowing for higher output current. The programmable soft start feature prevents large inrush currents from occurring during turn on.

Conclusion

The AP7346D-1828FS6-7 is a low-dropout linear regulator designed for applications requiring extremely low dropout voltage. It provides an integrated solution for both voltage regulation and line regulation applications. The AP7346D-1828FS6-7 integrates a constant-current low-dropout voltage regulator, DC-DC converter, and a low-power, low-dropout linear regulator with an integrated current-sense amplifier. It also provides a number of advanced features, such as remote sensing, load sharing, and programmable soft start. The AP7346D-1828FS6-7 is ideal for applications that require an extremely low dropout voltage and accurate voltage regulation.