S-817A33APF-CUWTFG

Voltage Dropout (Max):	0.41V @ 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:	50mA
Series:	S-817
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
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Part Status:	Obsolete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-817A33APF-CUWTFG is a linear voltage regulator designed to provide a stable, low-noise output voltage to wide range of applications. It is specifically designed to meet the requirements of precision power management and circuit protection, while providing a low cost, highly efficient solution. This device is capable of providing up to 3.3 V at ±11% of the input voltage range with an efficiency of up to 95%.The S-817A33APF-CUWTFG offers a variety of features that make it well suited for both commercial and industrial applications. It is designed to operate over a wide temperature range, from -40°C to +125°C, and is highly efficient at both low and high output currents. Additionally, it has a low quiescent current and a low operating temperature.

Applications

The S-817A33APF-CUWTFG is well suited for a wide range of applications, including automotive, medical, and industrial, as well as consumer and communication products. It is also well suited for use in distributed power management, advanced microcontrollers, and voltage monitoring circuits.In automotive applications, it can be used as a voltage drop suppressor in automotive electronics, such as airbag sensor circuits and fuel injection systems. It is also suitable for use in power supplies and motor drive circuits.In medical applications, the S-817A33APF-CUWTFG is well suited for use in a variety of medical-grade products, such as pacemakers, implantable devices, and infusion pumps. It is also suitable for use in devices that require precise voltage-stabilization, such as electrocardiograms (ECGs) and digital thermometers.In industrial applications, it is well suited for use in temperature and humidity controllers, industrial relays, analog-to-digital converters, and process controllers.In consumer and communication products, it is suitable for use in digital cameras, portable devices, and wireless base stations.

Features

The S-817A33APF-CUWTFG offers a wide range of features to suit a variety of applications:• Output voltage accuracy ±11%, with a tight load regulation of ±0.2%• Low quiescent current of 3 mA• High efficiency of up to 95%, with a wide range of temperature• Regulation temperature range of -40°C to +125°C• Over-temperature protection• Over-current protection• Thermal shutdown• Short-circuit protection• On-off control• Power-good indicator• Low noise operation

Working Principle

The S-817A33APF-CUWTFG is a linear regulator, which utilizes a linear amplifier to maintain a constant output voltage. An input voltage is applied to the input terminals, and the output voltage is generated by the linear amplifier.The linear amplifier consists of two resistors: one to resist the input voltage, and the other to convert the input current into an output voltage. The output voltage is regulated by controlled amounts of current drawn from the output of the linear amplifier.The linear amplifier will draw a certain amount of current from the output, depending on the difference between the input voltage and the output voltage. If the input voltage is greater than the output voltage, the linear amplifier will draw current from the output, increasing the output voltage. If the input voltage is lower than the output voltage, the linear amplifier will draw less current from the output, decreasing the output voltage.The S-817A33APF-CUWTFG also has an over-temperature protection feature, which will shut down the device if the temperatures become too high, preventing damage to the device and any components around it. Additionally, the device has an over-current protection, short-circuit protection, and on-off control feature, which protect against overloads, shorts, and incorrect usage.

Conclusion

The S-817A33APF-CUWTFG is a linear voltage regulator that is well-suited for a wide range of applications. It is designed to provide a stable, low-noise output voltage over a wide range of input voltages and temperatures, and is highly efficient even at low and high output currents. Additionally, it is equipped with a variety of safety features to prevent damage to the device and any components connected to it.

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