S-812C56AY-B-G

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The S-812C56AY-B-G is an efficient and reliable linear voltage regulator from Semtech. It is designed to provide a regulated output voltage of up to 5.6V with low dropout and fast response time, even in low input voltage conditions. It is offered as a single output device and multiple output versions are available for up to 4 outputs. The device supports a wide range of inputs and output voltages, and can easily be adapted to a variety of applications.

One of the most common application fields for the S-812C56AY-B-G is in telecommunications. The device is well-suited for use in wireless phones and other portable communication devices due to its low power consumption and wide operating temperature range. The device is often specified for point of sale applications and base station circuits. Additionally, the voltage regulator is suitable for digital audio, battery powered applications, and high-voltage circuits.

The principle of operation for the S-812C56AY-B-G is simple. The device features an N-channel MOSFET, which is used to control the output voltage. When the input side of the regulator is higher than the desired output voltage, the MOSFET is turned on, drawing current from the input rail. The MOSFET is turned off when the input voltage drops below the preset output voltage. This helps to maintain a steady output voltage, even in low input voltage conditions.

The S-812C56AY-B-G offers a wide range of features designed to make it suitable for a variety of applications. It is available in an industry-standard TO-220 package and comes with a wide input voltage range (2.5V to 12V) and adjustable output voltage up to 5.6V. The device also features very fast transient response times, with a guaranteed 5mV (typical) response time at low line voltage. It also boasts very low dropout voltage (200mV at full load) and an adjustable soft-start feature.

The S-812C56AY-B-G is also very efficient, with a typical efficiency of 85%. The device also includes protection circuitry, such as an over-voltage protection circuit, an over-current circuit and an under-voltage lockout circuit. This ensures that the device is stable and reliable in operation.

The S-812C56AY-B-G is an ideal choice for a wide range of applications, ranging from telecommunications to consumer electronics. It offers very low dropout voltage, fast transient response time, and adjustable output voltage. Additionally, the device is available in an industry-standard package and offers various protection features. All this makes the S-812C56AY-B-G an excellent choice for a linear voltage regulator.

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