BD9750BFV-E2

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The BD9750BFV-E2 are switched-mode voltage regulators manufactured by ROHM Semiconductor. These voltage regulators are part of ROHM Semiconductor’s PMIC (Power Management IC) family, in the Voltage Regulators and DC DC Switching Regulators categories. The devices feature a wide input voltage range and a high switching frequency, making them ideal for use in a variety of applications, including motor drives, lighting, communications systems, and industrial equipment.

The BD9750BFV-E2 are low-voltage step-down switching regulators. They feature an adjustable output voltage range between 0.9 V and 6.5 V with an input voltage range of 2.5 V to 20 V. The device consists of an internal high-side MOSFET and an external low-side MOSFET to regulate the input voltage to the desired output voltage level. The high-side MOSFET is typically operated in a freewheeling mode, while the low-side MOSFET is operated in a pulse width modulation (PWM) mode.

The BD9750BFV-E2 also features a frequency modulation (FM) control scheme. FM control is used to reduce output voltage ripple, line noise, and load transients. The switching frequency is adjustable with a programmed resistor and can be set between 300 kHz and 1.5 MHz. This feature helps reduce the inductor and capacitor size for a given switching frequency, resulting in a smaller form factor for the device. Additionally, the BD9750BFV-E2 has a synchronous rectifier control function that allows for improved efficiency.

The BD9750BFV-E2 also has a number of protection features, such as overcurrent protection, over voltage protection, and thermal shutdown. The device can be used in both continuous and discontinuous switching modes, and has an enable pin to further reduce power consumption in shutdown mode.

In summary, the BD9750BFV-E2 is a low-voltage, low-noise, high efficiency step-down switching regulator, with adjustable output voltage and switching frequency. It is well-suited for a wide variety of applications, including motor drives, lighting, communications systems, and industrial equipment. The device has a number of protection features, and its size is optimized for use in space-constrained applications.

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