BD1484EFJ-E2 Integrated Circuits (ICs)

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BD1484EFJ-E2 is classified as a DC DC switching regulator within the Power Management ICs (PMICs) family of Voltage Regulators. This power device is suitable for a variety of applications, including powering notebook PCs and TV tuners, as well as providing dynamic voltage adjustment of home appliances and industrial machines.

The BD1484EFJ-E2 is a step-down switching regulator featuring current-mode voltage control and quasi-resonant operation. A built-in overvoltage protection circuit terminates operation when a potential of 16V DC is applied to the OUT port. This highly efficient regulator also has an internal temperature detector for overheat protection. Other safety mechanisms include soft-start and pre-bias start. The BD1484EFJ-E2 requires an input voltage of 6 to 16V DC and output voltage of 2.5V to 7V DC.

The BD1484EFJ-E2 features an integrated low on-resistance (Nch) DMOS switch that offers up to 8A source and 6A sink current during operation, as well as 75mV of maximum control voltage. The BD1484EFJ-E2 also includes a built-in oscillator circuit, eliminating external components and maximizing efficiency.

An internal feedback circuit is also included, providing overvoltage and undervoltage protections, as well as current and voltage limit protections, for secure and reliable performance. The built-in PNP transistor offers a high level of load power with minimal power loss. The BD1484EFJ-E2 also features cycle-by-cycle current limiting.

The BD1484EFJ-E2 employs a unique and efficient operating principle that eliminates the need for external components. This principle combines the advantages of pulse-width modulation (PWM) and quasi-resonance technologies. The BD1484EFJ-E2’s internal control circuitry modulates the on-time of the DMOS switch, enabling the output voltage regulation. The DMOS switch is synchronized with the oscillator frequency and feedback voltage, allowing the power device to achieve high efficiency.

The BD1484EFJ-E2 is ideal for a wide range of applications, where a regulated voltage is needed. It features high stability, low output voltage ripple, fast transient response, and a wide input voltage range. This power device is suitable for use with mobile phones, digital cameras, DVD players, and other portable consumer electronics products.

In summary, the BD1484EFJ-E2 DC DC switching regulator from the Voltage Regulators family of Power Management Integrated Circuits (PMICs) is a high-performance, low-cost solution designed for a variety of applications. With its current-mode voltage control and quasi-resonant operating principle, the BD1484EFJ-E2 is suitable for powering portable consumer electronic devices, offering high efficiency, stability, and reliability.

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