BD9751FV-E2

Supplier Device Package:	28-SSOP
Base Part Number:	BD9751
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	--
Output Configuration:	--
Topology:	--
Output Type:	--
Number of Outputs:	--
Voltage - Input (Min):	--
Voltage - Input (Max):	--
Voltage - Output (Min/Fixed):	--
Voltage - Output (Max):	--
Current - Output:	--
Frequency - Switching:	--
Synchronous Rectifier:	--
Operating Temperature:	--
Mounting Type:	Surface Mount
Package / Case:	28-SSOP (0.209", 5.30mm Width)

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Introduction to BD9751FV-E2 Application Field and Working PrincipleBD9751FV-E2 (E2) is a System power supply IC which is a DC/DC Regulator IC from the ROHM Semiconductor family of integrated circuits. E2 belongs to the PMIC (Power Management IC) family and is categorized in the Voltage Regulator and DC/DC switching regulator series. The IC is designed to stabilize a variety of voltages and power sources and offer better audio and video performance.Features of BD9751FV-E2 ICThe E2 offers integrated 5V and 3.3V voltage outputs and is capable of providing an output current up to 500mA and an output voltage of 7V. Additionally, it features selectable output voltage/current setting of up to 8V/200mA and also features wide input voltage range. Integrated into the E2 is an error amplifier, PWM Comparator, LDO, Voltage Detector and a UVLO arrangement that ensure better load regulation and stability at low line, load inrush and ESR levels. It also has an external setting option for changing the output voltage setting and has an over current and over temperature protection.Applications of BD9751FV-E2The BD9751FV-E2 IC is particularly suitable for automotive and audio/visual applications like LCD and audio/visual Avionics and Car Audio systems. Additionally, the IC is a very reliable power supply regulator for equipment used in industrial and office automation, medical instruments and other applications such as Automotive airbag and driver assistance systems.Working Principle of BD9751FV-E2The E2 is primarily designed to regulate the input voltage and current, and to offer suppleness and more reliable performance while operating even in a hostile environment. To achieve this, E2 utilizes a wide range of different components, such as a voltage regulator, switching converter and variable-frequency PWM comparator.The voltage regulator is the main component of the E2, and it is responsible for step-down or step-up the input voltage. The switching converter is then used to convert the stored energy from the voltage regulator into usable power for the device. Lastly, the variable-frequency PWM comparator is then used to control the speed of the switching frequency to ensure that the output voltage from the voltage regulator remains stable.ConclusionThe BD9751FV-E2 is a System power supply IC from the ROHM Semiconductor family of integrated circuits which is categorized in the PMIC (Power Management IC) family and belongs to the Voltage Regulator and DC/DC switching regulator series. It is ideal for automotive and audio/visual applications, and offers integrated 5V and 3.3V voltage outputs and up to 500mA output current and up to 8V/200mA of output voltage. Additionally, features like error amplifier, PWM Comparator, LDO, Voltage Detector and a UVLO arrangement ensure better load regulation and stability.

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