PAM2305AAB120

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The PAM2305AAB120 is a high performance, low power synchronous DC-DC step-down power module. This power module integrates a synchronous buckswitch, operating with a PWM input to step down a higher to a lower DC Rail with a wide input voltage range of 0.9V to 5.5V. It features a high switching frequency of up to 1.2MHz with peak efficiency up to 95% to reduce no-load power consumption.

In addition to its high efficiency, the PAM2305AAB120 also incorporates several safety features to protect the system. Its integrated over-temperature protection will shut down the switch when the temperature exceeds the maximum operational limit, protecting the IC and the load from damage. The IC also includes an under-voltage lock-out feature, current limiting protection, and over-voltage protection.

The PAM2305AAB120 is a simple-to-use and cost-effective solution for DC-DC conversion applications; it is a perfect choice for low power electronics system such as portable medical devices, industrial control systems, automotive modules, and point-of-load applications.

PAM2305AAB120 Application Field and Working Principle

The PAM2305AAB120 is an integrated switch-mode power supply, and the main task of this type of DC-DC converter is to reduce the input voltage to the desired output voltage. Its working principle is simple; the internal switch is driven by a fixed-frequency PWM signal, constructed of a feedback voltage sensing mechanism and a pulse width modulator. When the input voltage is higher than the output voltage, the power switch is turned on, thereby delivering power to the output and reducing the input voltage. This process is repeated at a fixed frequency.

The application fields of the PAM2305AAB120 primarily include low power electronics system such as portable medical devices, industrial control systems, automotive modules, and point-of-load applications. This power module, due to its high efficiency and high frequency, is suitable to drive high power LEDs and provide power supply for small loads. Moreover, its low noise switching spikes makes it perfect for noise sensitive applications.

Furthermore, due to its various protection features including over-temperature protection, under-voltage lock-out, current limiting protection and over-voltage protection, the PAM2305AAB120 makes it a robust and reliable DC-DC converter solution for various industrial and automotive applications.

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