MAX639CPA+

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX639CPA+ is a low-power DC-DC switching module from Maxim Integrated. This low-power voltage regulator module is designed for applications requiring a wide input voltage range (4.5V to 24V) and a low quiescent current (down to 1.9A). It features overvoltage, overcurrent and overtemperature protections, as well as adjustable output voltage and soft-start capability. With its small size, low-profile form factor, and excellent power efficiency, the MAX639CPA+ is the ideal choice for portable applications such as PDAs, digital cameras, and other mobile devices.

The operating principle of the MAX639CPA+ is based on the buck-boost topology of DC-DC switching power supply design. The input voltage is first applied to an input transformer, which is then converted to a voltage level appropriate for driving a series of MOSFETs. When the MOSFETs are switched on, energy is transferred from the input voltage source to the output voltage source. As the output voltage increases, the voltage across the MOSFETs decreases, and the current flow through the FETs is correspondingly decreased. This process is repeated continuously until the output voltage reaches the desired level.

The MAX639CPA+ also utilizes a wide range of control circuitry. The specified operating parameters are programmed into an internal register, which is used to control the switching of the MOSFETs. A feedback network is employed to detect any deviations from the desired output voltage, and the internal circuitry is used to adjust the voltage level accordingly. An auxiliary output voltage enables devices to perform power-related functions, such as overvoltage, overcurrent and overtemperature protections, as well as adjustable output voltage and soft-start capability. The module also features power monitors, which can be used to monitor the input and output voltages, as well as the output current.

The MAX639CPA+ is well suited for applications where low power consumption is of great importance. Its low quiescent current consumption makes it ideal for a variety of applications, from battery-powered portable devices to industrial systems. Its small size and low-profile form factor make it a perfect choice for space-constrained applications. In addition, its adjustable output voltage and soft-start capability make it suitable for a wide array of applications, from consumer electronics to automotive systems. Its excellent power efficiency and robust design make it the ideal solution for cost-sensitive and safety-critical applications.

The specific data is subject to PDF, and the above content is for reference