TL497ACN

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The TL497ACN is a DC/DC switching regulator controller designed for use with low-power microprocessors. It is part of the voltage regulators family, and more specifically, DC DC switching regulators.

The TL497ACN allows for an efficient, low-cost solution for generating an accurate output voltage for low-power microprocessors. The device supports step-up (boost), step-down (buck), and inverting configurations. It can be used to build a number of efficient power supply designs with up to 15V of input voltage.

The TL497ACN features an on-chip pulse-width modulation (PWM) comparator to control the switching, as well as a high-gain error amplifier which allows for excellent precision in the output voltage. The device also features temperature-compensated voltage reference, fast transient response and over-current protection.

The TL497ACN can be used in a variety of DC/DC switching regulator applications, including microprocessor or logic power supplies, industrial control power supplies, distributed power supplies, and LAN/WAN power supplies. It is well-suited for applications that require a low noise supply, as well as applications that need high efficiency and good transient response. It is also ideal for use in high-temperature environments, as it offers thermal protection.

The TL497ACN operates on the principle of pulse-width modulation (PWM). This type of switching regulation technique derives its name from the fact that the duty cycle (the percentage of time during which a transistor is on) of the output signal is modulated, in order to achieve the desired output voltage. As the input voltage changes, the comparator in the TL497ACN compares it to a reference voltage and adjusts the duty cycle accordingly.

The TL497ACN is a versatile and powerful DC/DC switching regulator controller which is well-suited for a number of applications. Its on-chip PWM comparator and error amplifier provide excellent precision in the output voltage, while its fast transient response and over-current protection help ensure reliable operation. As a result, it is a great choice for powering low-power microprocessors, industrial control systems, distributed power supplies, and more.

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