KA7918TU

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The KA7918TU is a three terminal linear voltage regulator specifically designed for use in personal computers. It is designed to provide precisely regulated voltages of 3.3V and 5V at up to 5A of load current. It is suitable for use in a variety of applications, including personal computers and other regulated power supplies. It is also ideal for transient-free battery backups, automotive and industrial applications.

The KA7918TU is a low dropout (LDO) voltage regulator. This type of regulator works by setting the output voltage to a predetermined level by comparing the drops across a regulating transistor to a reference voltage. The transistor maintains a constant voltage by controlling the current consumed by the load. The output voltage is determined by the reference voltage and the current. If the output load changes, the regulator will readjust the current, thereby to maintain the predetermined output voltage.

The KA7918TU features an adjustable output voltage, low dropout voltage, low quiescent current and low noise. Its adjustable output voltage, which is programmed using an external voltage divider, is ideal for applications that require a variable output voltage. The KA7918TU’s low dropout voltage allows the regulator to maintain a regulated output voltage even when the input voltage is only slightly above the output voltage, making it much less susceptible to line and load variations than other types of linear voltage regulators.The low quiescent current feature of the KA7918TU enables it to reduce power consumption in low-current applications, such as monitoring systems. The low noise characteristic makes the regulator suitable for use in audio applications.

The KA7918TU is designed to be used as a single-output linear voltage regulator in virtually any one- or two-rail power system. It is a true three-terminal device with a +Vin pin for the input voltage, a -Vin pin for the return voltage and a +Vout pin for the regulated output voltage. The on-chip thermal shutdown and current limit protection ensures the device’s output voltage is maintained within safe operating limits, even in the most extreme conditions.

The KA7918TU is designed to deliver up to 5 amperes of output current over a wide input voltage range of 2.5 V to 14 V. It offers improved line and load regulation, good transient response, low temperature coefficient and low dropout voltage. The device is available in plastic packages with the industry standard PDIP-8, SOIC-8, SIP-8 and TO-220AB packages and can be used with a variety of heat sinks. In addition, it is rated for operation up to 125°C junction temperature.

The KA7918TU is a robust and reliable linear voltage regulator that provides many benefits for personal computers and other regulated power supplies. Its adjustable output voltage, low dropout voltage, low quiescent current and low noise characteristics make it well suited for a wide range of applications, including personal computers and other regulated power supplies, battery backup systems and automotive and industrial applications.

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