S-8730B3EUP-AMFT2U

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S-8730B3EUP-AMFT2U is a highly efficient and versatile linear voltage regulator IC featuring adjustable output voltage, low quiescent current, high output current and low noise. It is a 3-terminal low-dropout voltage regulator that can offer up to 5A of configurable output voltage with extremely low quiescent current. The S-8730B3EUP-AMFT2U is designed to provide accurate, low-noise and stable output voltage under various environmental conditions. The device can handle up to 5A of continuous load current and is designed to accommodate a wide range of input voltages, allowing it to be used in a variety of applications.

Application Field

S-8730B3EUP-AMFT2U is mainly used for low-noise, low-dropout linear voltage regulator applications that require high output current with adjustable output voltage. It is typically used in medical, automotive, industrial and consumer applications, such as digital cameras, battery powered devices, power supplies, telecommunication equipment, portable electronics and other applications. The regulator is also ideal for automotive and industrial applications where wide input voltage variation and high current output is required.

Working Principle

S-8730B3EUP-AMFT2U operates in a two-transistor logic-controlled linear voltage regulator. It consists of two external NPN transistors, one adjustable resistor and one external resistor. The voltage output is set by a single external resistor, while the output current is limited by an external current limiter. The two transistors operate in parallel with an adjustable current. The resistor and NPN transistor provide accurate voltage over a wide input voltage range and a wide output voltage range. The transistor is also capable of providing a stable supply voltage under heavy load and line transients.

The output voltage is regulated by a series of pulses. When the voltage drops below the desired output voltage, the regulator pulses the appropriate NPN transistor, causing the voltage to rise back up to the desired value. When the voltage reaches the desired level, the pulses are stopped and the output voltage remains stable. The output voltage is kept in regulation with the use of a built-in reference voltage, which is determined by the setting of the external resistor.

S-8730B3EUP-AMFT2U has a wide range of important features such as low ripple, low noise, high precision, low quiescent current and adjustable output voltage. This makes it an ideal choice for low-noise and low-dropout linear voltage regulator applications. The device is designed to provide accurate, low-noise, and stable output voltage under various environmental conditions, making it a versatile and reliable voltage regulator solution.

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