KA7806E

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KA7806E is a highly integrated voltage regulator from Rohm semiconductor serving various applications. It offers a variety of features along with a wide operating temperature range for better energy efficiency. It can easily find its application in any system requiring a low-voltage supply, such as consumer electronic products, domestic appliances, automotive equipment, and industrial products.

The device operates as a linear three-terminal regulator, providing a maximum of 1.5A of output current with a wide input voltage range from 4.5V to 60V and an output voltage of 1.25V to 48V. The output voltage precision is excellent, with an absolute accuracy of 0.5%. Additionally, it helps to reduce the ripple noise on the input power supply and provides a minimum dropout voltage of 1V. Thus, it helps in providing a stable power supply to the components.

KA7806E employs a slew-rate control system that adjusts the maximum slope of the output voltage waveform with the help of a PWM signal. It helps in controlling the output switching frequency, thereby reducing the system noise. The device also has short-circuit protection and overtemperature shut-down protection. Furthermore, it also features suppressed start-up current, which helps in reducing the draw current from the battery during start-up and in avoiding excessive discharge.

The device is available in an access package comprising of SOT-89, SOT-223, or TO-252. It is also available in a pin-compatible version, KA7806BE, which is an improved version of KA7806E but with a higher operating frequency of 2MHz. It also has a higher external peripheral allowed capacitance of 1µF, which provides better stability.

From its wide input voltage range, excellent output voltage precision, adjustable switching frequency, and short-circuit protection to its low-ripple noise and overtemperature shut-down protection, KA7806E is able to perform under a wide variety of applications and provide a steady output voltage and current. Therefore, it can be used as a voltage regulator in any system requiring a low-voltage supply, ranging from consumer electronic products to automotive equipment and industrial products. In summary, KA7806E is one of the most versatile and reliable voltage regulators available in the market today.

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