NCP317TG

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NCP317TG voltage regulator is a three-terminal adjustable linear regulator with a 300 mA maximum load capability. It has high ripple rejection, low dropout, high accuracy and low noise characteristics, making it ideal for a variety of applications. The NCP317TG offers a wide input voltage range of 4.75 V to 40 V and a wide output voltage range of 0.8 V to 37 V, adjustable by an external resistor. It is available in the small SOT-89-3L package and is typically used for power supply designs such as preamplifiers, audio amplifiers, battery powered products and AC-DC/DC-DC converters.

The NCP317TG is a linear voltage regulator, which means that it operates by controlling the output voltage according to a predetermined level or set-point. It does this by automatically adjusting its output voltage so that it is equal to the set-point as adjusted using an external resistor. It works by using a difference amplifier (EA) to detect the difference between the output voltage and the set-point voltage, and then it adjusts the output voltage accordingly. The EA is connected to a reference voltage, which is typically 0.09 V for the NCP317TG, and this is used to compare the output voltage to the set-point voltage. When the difference between the two is detected, the EA drives a current into an internal device which adjusts the output voltage accordingly. The output voltage is thus controlled in such a way that it remains constant at the desired level, even if the load current and/or the input voltage fluctuate.

The NCP317TG has other features which make it an ideal choice for a variety of applications. It has low dropout voltage, which means that it can maintain its specified output voltage even when the input voltage is low. In a power supply design, this means that it is able to maintain the specified output voltage, even when there is a large ripple on the input voltage. It also has a fast transient response, which means that it is able to respond quickly to changes in the load current, as well as to sudden increases in the input voltage. The NCP317TG also has two pins dedicated to providing current limiting and thermal protection to the device. This ensures that the device is protected from overcurrent and over-temperature conditions.

The NCP317TG from ON Semiconductor is ideal for a variety of applications where a stable output voltage is required. It is widely used in power supplies for audio amplifiers and preamplifiers, for voltage regulation in AC-DC and DC-DC converters and in battery powered products. It is available in the small SOT-89-3L package and offers a wide input voltage range of 4.75 V to 40 V and a wide output voltage range of 0.8 V to 37 V, adjustable by an external resistor. This makes it an ideal choice for a variety of power supply designs.

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