S-817A40APF-CVDTFG

Current - Quiescent (Iq):	2.5µA
PSRR:	--
Control Features:	--
Protection Features:	Short Circuit
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Flat Leads
Supplier Device Package:	SNT-4A
Series:	S-817
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	10V
Voltage - Output (Min/Fixed):	4V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.3V @ 10mA
Current - Output:	65mA

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Introduction

The S-817A40APF-CVDTFG, commonly referred to as a “Linear Voltage Regulator”, is a popular power management IC (PMIC) typically used in embedded applications that require regulated DC power supply. It is used in a variety of applications, including automotive applications, industrial control, robotics, and more.

Features

The S-817A40APF-CVDTFG features an adjustable set point, allowing the user to easily adjust the output voltage. It also features low quiescent current and fast transient response. The regulators provide excellent line and load regulation characteristics, and can operate over a wide temperature range from -40 to +85°C. Other key features include current limiting and over-temperature protection.

Application Field

The S-817A40APF-CVDTFG is mostly used in automotive applications. In the automotive industry, it is used for DC power management for car audio systems, electric power steering systems, and other automobile electronics. It is a very reliable voltage regulator that can be used in harsh environment conditions due to its high temperature range. The S-817A40APF-CVDTFG is also popularly used in industrial systems. It is often used to power process control systems, industrial robots, PLCs (Programmable Logic Controllers), and more. Its built-in features makes it well-suited for these kinds of applications.

Working Principle

The S-817A40APF-CVDTFG works by using an internal voltage reference to compare the input voltage and set it at a certain level, regardless of the changes in the input voltage. The regulator maintains the output voltage at the same level as the reference voltage by adjusting the current accordingly. The S-817A40APF-CVDTFG also uses high-current MOSFETs, which switch on and off depending on the load. The switching of the MOSFETs allows it to manage a stable and consistent voltage even when the load changes.

Conclusion

The S-817A40APF-CVDTFG is a popular PMIC – Linear Voltage Regulator that is used for DC power management in a variety of applications, ranging from automotive to industrial. It features an adjustable setpoint, fast transient response, and low quiescent current. It also features current limiting and over-temperature protection, allowing it to be used in a wide range of environments. The S-817A40APF-CVDTFG works using an internal voltage reference to compare input and output voltages, and uses high-current MOSFETs to ensure a stable output voltage.

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