PBA300F-5-CD5.9

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AC DC Converters are electrical devices that convert alternating current (AC) input, usually from a mains connection, to a direct current (DC) voltage output suitable for powering an electronic circuit. The PBA300F-5-CD5.9 is one such converter, specifically designed for 5V and 9V low power DC applications. It is a switchmode device, meaning that it efficiently converts AC power to DC power with minimal power losses.

The PBA300F-5-CD5.9 utilizes an innovative mobile phone (4.8V/2.7V) low voltage circuit topology. It is a compact design, measuring just 24mm x 20mm x 3.7mm, making it ideally suited for medium and low power applications. Its advanced output ripple suppression technology offers a stable, reliable output power, even when the input voltage varies.

The PBA300F-5-CD5.9 features an input voltage range of 4.0V to 16.5V, output voltage range of 5V and 9V, output current of up to 0.5A, no-load power consumption of 0.1W, and an efficiency rating of 95%. It is designed for use in mobile phones, tablets, consumer electronics, and Bluetooth headsets. It also has temperature protection, over-current protection, and short-circuit protection to ensure reliable power delivery and system safety.

The working principle of the PBA300F-5-CD5.9 is quite simple. The AC mains input is connected to the power supply, which is then rectified and filtered to remove any ripples in the voltage. The rectified DC voltage is fed to a switching dc-dc converter, which steps up and/or steps down the voltage depending on the load requirement. Once the correct output voltage is achieved, it is regulated to provide a stable output voltage.

The PBA300F-5-CD5.9 has a high switching frequency of up to 300kHz, ensuring that it can quickly deliver power at high loads. The integrated PFM technology further improves the efficiency of the power converter, minimizing power losses and thus decreasing system costs. Additionally, the power converter features an adjustable startup current limit and soft-start mode that can reduce the inrush current when the unit is switched on.

The PBA300F-5-CD5.9 is a great option for low and medium power applications. Its compact size, efficiency, and advanced features make it a great choice for powering electronic devices such as mobile phones, tablets, and consumer electronics. It is particularly useful for applications where a stable output voltage is required, since the output ripple suppression technology ensures that the voltage is not affected by input voltage fluctuations.

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