S-817A50APF-CVNTFG

Voltage Dropout (Max):	0.25V @ 10mA
Supplier Device Package:	SNT-4A
Package / Case:	4-SMD, Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Short Circuit
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	2.5µA
Current - Output:	75mA
Series:	S-817
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The S-817A50APF-CVNTFG is a 3-channel, low dropout (LDO) linear voltage regulator with adjustable output voltage and very low quiescent current. It is designed to provide high efficiency, small size, low noise and good load transients. The S-817A50APF-CVNTFG is well suited for use in a wide range of applications, including portable electronics, automotive, industrial, and telecom.

Application

The S-817A50APF-CVNTFG is a versatile device specifically designed for a wide range of applications. It is used in portable electronic systems, automotive, industrial and telecom applications. The S-817A50APF-CVNTFG can be used as a stand-alone power source or as a linear voltage regulator. It is designed to operate from input voltages from 3.0 volts to 25.5 volts.The S-817A50APF-CVNTFG offers adjustable output voltages from 3.0 volts to 25.5 volts in 0.1V steps. It features low dropout voltage, low quiescent current, wide operating temperature range and tight output tolerance with excellent line and load regulation.The low dropout voltage is a major advantage of the S-817A50APF-CVNTFG. This feature is helpful in extending battery life when the input voltage is close to the output voltage. In addition, it offers very low quiescent current, which helps reduce system power losses and maintain optimal battery performance.The S-817A50APF-CVNTFG is designed to provide high efficiency and low noise. It features very low dropout voltage and tight output accuracy over the full operating temperature range. The device also offers excellent thermal performance, making it well suited for use in a wide range of applications.In addition, the S-817A50APF-CVNTFG offers good response to load transients, making it suitable for use in high current applications. It has an adjustable current limit and a soft start function to minimize the inrush current during start-up. The device also offers protection against over-voltage, short circuit and over-temperature conditions, making it reliable and safe to use.

Working Principle

The S-817A50APF-CVNTFG is a linear voltage regulator that works on the principle of a non-linear transistor (NLT) switch. The NLT switch is controlled by voltage between the input and output of the regulator. When the input voltage is higher than the output voltage, the switch will be closed and current will flow from input to output. This regulates the output voltage by limiting the amount of current flowing.The S-817A50APF-CVNTFG contains various features to improve the performance and stability of the regulator. It features an adjustable current limit, an overload protection circuit and a soft start function to minimize start-up inrush current. The current limit can be adjusted to protect the regulator against overloads or shorts. The overload protection circuit turns off the FET switch if the voltage or current exceeds the preset limits.The S-817A50APF-CVNTFG also includes a linear-regulating stage, which eliminates line and load regulation changes due to temperature. This stage is controlled by an internal temperature sensor and automatically compensates the output voltage for variations caused by temperature.Finally, the device also includes a remote sensing feature that allows it to measure voltage at the load, independent of the input voltage. This feature can be used to maintain the regulation accuracy even if the input voltage and load voltage drop at different rates.

Conclusion

The S-817A50APF-CVNTFG is a versatile linear voltage regulator designed for a wide range of applications. It features low dropout voltage, low quiescent current and excellent line and load regulation. The device also includes adjustable current limit, overload protection, soft start and remote sensing functions, making it reliable and safe to use. It is well suited for use in portable electronics, automotive, industrial and telecom applications.

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