PAM2400AAA330

PAM2400AAA330 Application Field and Working Principle

The PAM2400AAA330 is a member of the DC/DC Switching Regulators family (also known as PMIC – Voltage Regulators) and it is one of the most compact step-down converter integrated circuits (IC). The device integrates a power MOSFET—thus its power consumption is low and it includes the necessary support circuitry for implementing buck converters. It operates efficiently from a supply voltage of 5.5V to 18V and is able to provide up to 4A output current for Vin of up to 16V.

Features:

• Integrated Power MOSFET
• Operating Frequency: 300kHz
• 3mΩ/7.5mΩ Integrated Switch Resistance (RDSon)
• Input Voltage: 5.5V-18V
• Output Voltage: 0.82×VIN to OV
• Protection Functions: over-temperature, over-voltage and over-current

Application Field

The PAM2400AAA330 can be used in a variety of applications, from portable systems such as tablets, Android-based phones and wearables to more industrial applications such as agriculture and medical technologies. This application versatility is due to its wide input voltage range, programmable switching frequency, unregulated or regulation output voltage, current protection and efficiency. Other areas where this IC could potentially be used includes communications, storage, navigation and industrial automation.

Working Principle

The PAM2400AAA330 is a DC/DC switching regulator integrated circuit, also known as a buck converter. This type of converter regulates the output voltage using a pulse-width modulation technique. In this case, the duty cycle of the pulse is changed, which changes the output voltage of the regulator. The PAM2400AAA330 utilizes a two-stage operation. The first stage is a fixed frequency current regulator, which regulates the current flowing through the MOSFET and the inductor. The second stage is a peak current detection circuit, which will turn off the MOSFET at the peak current. This two-stage operation helps to provide high efficiency and wide input voltage range.

The PAM2400AAA330 implements a variety of protection functions, such as over-temperature protection, over-voltage protection and over-current protection. These protection functions help ensure that the IC does not suffer from over-temperature, over-voltage or over-current conditions. Furthermore, it also implements programmable under-voltage lockout and soft-start features to help reduce inrush currents at start-up.

Conclusion

The PAM2400AAA330 is a versatile DC/DC switching regulator integrated circuit that can be used for a variety of applications. It has an impressive level of integration, meaning the designer does not have to worry about adding external components for implementing protection functions or providing a stable output voltage. It has an exceptionally wide input voltage range and an efficient two-stage operation, ensuring it provides an efficient and reliable solution for all types of applications.