AS1353-15-T

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AS1353-15-T is a device from the family of voltage regulators from Diodes Inc. It is a linear type voltage regulator, intended to regulate a precise output voltage for any given load. The device is designed for both positive and negative input supply which enables it to regulate wide range of input voltages. This voltage regulator is designed to provide regulated output voltages of 5V, 10V, 15V, 20V and 24V.

The AS1353-15-T produces an output voltage from both positive and negative input supply voltages over the range of 3V to 36V and can handle up to 1.5A of load current. The device is protected against output overload and short circuits. The device is stable with a minimum load of 10mA.

The AS1353-15-T offers high performance and reliability with its low dropout, low noise, low quiescent current, and low output voltage ripple. It also offers a wide range of protection features such as thermal shutdown, under-voltage lockout, current limit and short-circuit protection. The device is also tested to withstand high temperature and severe ESD stress.

The AS1353-15-T is designed for many applications like AC-DC power converters, active filters, smps, and many other automotive, industrial and commercial applications, where minimum consumed power is desired. The device is suitable for supplying communication and instrumentation systems, peripheral devices and other sensitive circuits. The device is also suitable for various types of multi-rail systems. Its low dropout characteristics makes it a perfect choice for battery operated applications.

The AS1353-15-T works on a similar principle as all other linear regulators. The device consists of an internal power MOSFET transistor and an error amplifier which works together to ensure the output to remain at a constant voltage. The voltage at the output is determined by the feedback voltage divider network connected at the inputs of the error amplifier. The feedback voltage divider sets an internal reference voltage for the error amplifier. The output voltage is compared against the internal reference voltage and an appropriate voltage is supplied to the gates of the power MOSFET transistor which regulates the output voltage.

The MOSFET gets activated only when the input voltage is at least few hundred millivolts higher than the output. This is because a linear regulator requires a reservoir of electricity to work efficiently. This input-output differential is called dropout voltage. The dropout voltage of AS1353-15-T is in the range of 100mV to 500mV and is temperature compensated across the entire operating range.

In conclusion, the AS1353-15-T is a linear type voltage regulator with very few external components and delivers high performance and reliability. It offers low dropout voltage, low noise, low quiescent current, low output voltage ripple and a wide range of protection features. The device is suitable for many applications like AC-DC power converters, active filters, SMPS and other automotive, industrial and commercial applications.

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