S-817A55APF-CVSTFU

Voltage Dropout (Max):	0.23V @ 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):	5.5V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-817A55APF-CVSTFU is a high-efficiency linear voltage regulator of the PMIC series. The device is designed to regulate the operating voltage of a system, or to provide power to peripheral devices. This voltage regulator can provide an output current up to 1A and a maximum dropout voltage of 0.32V, while still maintaining high efficiency. It has ultra-low quiescent current and can be used in various power management applications.

Application Fields

The S-817A55APF-CVSTFU voltage regulator has multiple application fields. It can be used for general-purpose power management such as powering gate drivers for load sharing and distributed power systems, as well as for a wide variety of control applications such as:

• DC/DC converters
• PC peripherals
• Battery-backup applications
• Purdue PowerSystems
• Industrial systems
• Mobile electronic systems

The device is also capable of providing precise voltage regulation over a wide temperature range, making it suitable for use in extreme environments.

Working Principle

The S-817A55APF-CVSTFU uses a linear voltage regulator to control the output voltage. The regulator features built-in current regulation, thermal protection, and reverse-polarity protection to ensure safety and reliability. The voltage regulator works by using an error amplifier to compare the output voltage with a voltage reference and generate an error signal. This error signal is then used to control the output of an N-channel MOSFET. The current is then regulated through a series of resistors and capacitors. The device also features low ESR and noise, and is designed to minimize power losses.

Conclusion

The S-817A55APF-CVSTFU is a high-efficiency linear voltage regulator of the PMIC series. The device has multiple application fields and can be used for various power management applications. It uses a linear voltage regulator design to control the output voltage and features built-in current regulation, thermal protection, and reverse-polarity protection for safety and reliability. The device is also capable of providing precise voltage regulation over a wide range of temperatures, making it suitable for extreme environments.

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