S-817A36APF-CUZTFG

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Linear voltage regulators have been widely used for years to provide a stable output voltage for various digital signals and analog devices such as video equipment, medical devices and computers. The S-817A36APF-CUZTFG is a linear voltage regulator from NXP that provides high-accuracy and low-cost solutions in a wide range of applications. This article will discuss the application fields and working principle of S-817A36APF-CUZTFG.

Application Fields of S-817A36APF-CUZTFG

The S-817A36APF-CUZTFG is a low-cost, high-efficiency linear voltage regulator designed for a wide range of markets such as control applications, industrial, automotive, and computer applications. The device offers adjustable output voltage with extremely low dropout voltage and can provide up to 600 mA of output current. It can operate from -40°C to +125°C temperature range and has a wide input voltage range of 4.5 V to 25 V. All these features make it suitable for a variety of applications like:

• Industrial motor control systems
• Mobile devices such as tablets and mobile phones
• Medical ultrasound systems
• Lighting systems
• Audio and video systems
• Automotive systems

Working Principle of S-817A36APF-CUZTFG

The S-817A36APF-CUZTFG is a linear voltage regulator with low dropout voltage, which relies on its on-chip Precision Voltage Reference (PVR) to provide high accuracy, low noise and low temperature drift. The PVR is a temperature compensated reference source with a high accuracy output voltage range of 2.5 V to 21 V.

When a load current is demanded, the regulator senses the difference between its output voltage and the PVR. This voltage is amplified and the output MOSFET is controlled through an on-chip power stage comprised of a pair of CMOS inverters, an N-channel MOSFET, and a P-channel MOSFET. To ensure reliable operation, the output voltage is monitored by the error amplifier and the regulator compensates for any variations due to line and temperature. The error amplifier also provides protection against current overload and/or short-circuit conditions.

An additional feature of the S-817A36APF-CUZTFG is its active-low enable pin, which is used for on/off control of the device. When the enable pin is pulled to a low logic level, the output is disabled and the device is in a low-power consumption mode. This feature makes the device suitable for mobile and power-sensitive applications, where the output power must be shut down when not in use.

Conclusion

The S-817A36APF-CUZTFG from NXP is a low-cost and high-efficiency linear voltage regulator suitable for a wide range of applications. It operates from a wide supply voltage range of 4.5 V to 25 V, and provides up to 600 mA of output current with very low dropout voltage. It also features an active-low enable pin, which can be used for on/off control. With its high accuracy and reliability, the S-817A36APF-CUZTFG is an ideal choice for industrial, automotive, and computer applications.

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