S-8351A50MC-J3JT2U

Voltage - Input (Max):	10V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz
Current - Output:	300mA (Switch)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-8351A50MC-J3JT2U is a type of DC/DC switching regulator (DC/DC converter) from Sanken Electric Co Ltd. It is a fully integrated solution to provide a high performance voltage regulation and step-down conversion of an input voltage between 2.9V up to 16.0V. This IC offers high efficiency and low output ripple, as well as low EMI electromagnetic noise. It is also suitable for a wide range of applications, such as automotive, digital still cameras, and other portable devices.

Applications

The S-8351A50MC-J3JT2U is a high-speed, high-efficiency, low-noise DC/DC switching regulator which is suitable for automotive, digital still cameras, and other portable devices. It is ideal for applications requiring a low voltages, such as mobile phones, tablets, notebook computers, digital still cameras, projectors, DVD players, and more. It is also suitable for applications requiring a high efficiency such as battery powered systems, where power utilization is of the utmost importance.

Features

The S-8351A50MC-J3JT2U DC/DC switching regulator is designed for high efficiency, low noise performance, and low electromagnetic interference (EMI) radiation. The features of this IC include:• Output voltage available from 0.6V to 8V (depending on VIN)• Input voltage range from 2.9V to 16V• High efficiency (up to 95%)• Low output ripple• High frequency switching modulation• Overcurrent and short circuit protection• Thermal protection (thermal shut-off and thermal fold-back)• Low EMI radiation• Programmable soft-start• Adjustable soft-stop• Comprehensive monitoring system• RoHS compliant

Working Principle

The S-8351A50MC-J3JT2U switches between two power sources, using the high frequency switching modulation. It takes the input voltage from one source and regulates it to the desired output voltage by using a high frequency switching modulation. In other words, it takes a higher voltage input and turns it into a lower voltage output. This is done at a constant frequency, which produces less noise, less energy loss, and a higher efficiency compared to other switching regulators.The switching process is controlled by an internal oscillator. The output voltage is determined by an internal feedback loop which compares the actual output voltage to a reference voltage. If the output voltage is too high, the oscillator is shut off, and the switch is opened. If the output voltage is too low, the oscillator will be turned on and the switch will be closed. This process is repeated continuously, and the output voltage is regulated to the desired level.

Conclusion

The S-8351A50MC-J3JT2U DC/DC switching regulator is suitable for many applications that require a high level of efficiency and a low level of noise. It is suitable for automotive, digital still cameras, and other portable devices that require a low voltages, as well as battery powered systems where power utilization is of utmost importance. It features high efficiency, low output ripple, and a low EMI radiation. Additionally, it offers comprehensive monitoring systems and protection features, as well as adjustable soft-start and soft-stop. All of these features make the S-8351A50MC-J3JT2U a great choice for a wide range of applications.

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