BD9E300EFJ-LBH2 Integrated Circuits (ICs)

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DC-DC Switching Regulators are one of the most common power management integrated circuits (PMICs). The BD9E300EFJ-LBH2, in particular, is a type of DC-DC buck converter intended for boosting and buck-boosting applications.

Applications for the BD9E300EFJ-LBH2 include mobile phones, tablets, aftermarket automotive systems, and any other device that requires a non-isolated output voltage from a direct input. It can provide up to 3.0A and 600KHz of output current, making it ideal for power-hungry devices.

The BD9E300EFJ-LBH2 has a typical input voltage from 2.5V to 5.5V, and an output voltage from 5V – 42V. The input voltage can range from 0.4V – 7V, with an output voltage range of 4V – 60V. Despite its slim form factor, the integrated chip guards against overvoltage, overtemperature, and short-circuit conditions.

The BD9E300EFJ-LBH2 includes a wide selection of advanced features. It’s equipped with a programmable overcurrent protection, as well as a frequency foldback. The adaptive on-time modulation further improves efficiency and reduces EMI. Additionally, it provides a synchronous rectification to improve switching performance and reduce power losses.

At the heart of the BD9E300EFJ-LBH2 is a PWM controller which it uses to regulate regulated voltage. Its internal oscillator allows it to achieve precise frequency detection without having to use an external clock. The voltage loop is designed to provide precise voltage feed forward for accurate output voltages.

The enabled/disabled switching pin can be used to enable and disable the BD9E300EFJ-LBH2, providing an ideal means of controlling the on/off logic of the voltage regulator. It also has an enable/disable threshold of 1V, meaning that the switch to enable/disable the regulator will not operate unless the voltage justifies it. The low startup current of 25uA ensures that the regulator works efficiently even at low voltages.

The BD9E300EFJ-LBH2 represents the latest in DC-DC Switching Regulator technology. It combines the traditional buck converter with advanced features to provide a high-efficiency, high-performance power solution for a wide range of applications.

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