LM2596DSADJR4G Integrated Circuits (ICs)

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The LM2596DSADJR4G is a DC DC switching regulator that is designed to convert an input voltage ranging from 3.2 V to 40 V into a fixed output voltage of 2.5 V. Its wide input voltage range and its adjustable output voltage make it an ideal choice for many applications.

The LM2596DSADJR4G is a monolithic integrated circuit composed of two stages, consisting of an adjustable internal voltage regulator, error amplifier, output stage driver and all the components required for protection and fault detection. The adjustable regulator allows the output voltage to be set to a preset value by simply adjusting a resistor connected to the Set Terminal.

The LM2596DSADJR4G offers low-cost and high efficiency in a single package, making it suitable for powering circuits with low power requirements. The device is also designed with a current limited feature, which allows the device to behave like a power supply even in the event of an overload. The device is also designed to operate at high efficiency while maintaining low noise levels.

The LM2596DSADJR4G is designed to be used in a wide variety of applications, from communications, to medical and industrial applications. It is suitable for use in point of load applications, where the load changes significantly over time. The LM2596DSADJR4G also includes several protection features, such as over-voltage, short-circuit, and under-voltage protection.

The working principle of the LM2596DSADJR4G is to control the switching frequency of the internal high-efficiency switch with a minimum on-time and maximum off-time scheme. During the conduction interval, the switch is opened or closed and an energy is stored in the inductor creating a step-up or a step-down voltage. During the switching interval, the output voltage is held constant by the feedback loop, which is monitored by the error amplifier.

The LM2596DSADJR4G is designed to provide high efficiency over a wide range of output voltage. The device can operate at a frequency of up to 1MHz and provides a high power efficiency of up to 97 %. The switching frequency can be adjusted by external components and is usually set using a capacitor or a resistor. The device is also designed to run cool and has a thermal protection circuit that limits the output current if the temperature exceeds the maximum allowed. The over-voltage protection feature prevents damage to the device in the event of an over-voltage condition.

In summary, the LM2596DSADJR4G is a high-efficiency DC-DC switching regulator that is suitable for a variety of applications. It offers adjustable output voltage and current limit protection. The device is designed to operate at high efficiency with low noise levels and is capable of switching at up to 1 MHz. The device also includes over-voltage protection to safeguard against damage caused by excessive voltages.

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