IXI859S1

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Applications:	Converter, Micro-Controller Based Off-Line Applications
Voltage - Input:	8.2 V ~ 17 V
Number of Outputs:	1
Voltage - Output:	3.3V
Operating Temperature:	-25°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	IXI859

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Introduction

IXI859S1 is an integrated DC-DC converter designed specifically for high input voltage applications in the telecommunications industry. The converter provides a regulated output voltage of 12V with excellent efficiency, a wide input voltage range of 28-56V, and is suitable for use in applications such as power supply of peripheral equipment, battery charging and other power conversion needs. In addition, IXI859S1 also can provide various protection functions such as overvoltage protection, overtemperature protection, and overcurrent protection, thus providing reliable and flexible performance in all situations.

Application field

IXI859S1 integrated DC-DC converter could be applied in many fields. It is widely used in power supply of peripheral equipment, audio / video equipment, storage, networking and communication equipment, automotive electronic systems and other power supply applications. This converter can provide a regulated output voltage of 12V, suitable for most low-voltage DC-DC systems. It also features a wide input voltage range of 28-56V and is perfect for applications with high input voltage. With its high efficiency, short-circuit protection, overcurrent protection and overvoltage protection, this converter can also provide reliable and flexible performance in all application environment.

Working principle

The basic principle of a DC-DC converter is to transfer electrical energy from a higher input to a lower output. The IXI859S1 adopts this basic DC-DC conversion principle and adds advanced circuitry design to improve the performance of the converter. It uses a two-stage regulation loop to reach output regulation. The first stage employs a pulse width modulator (PWM) which uses comparator to compare a fixed reference voltage with the feedback voltage. When the feedback voltage is lower than the reference voltage, the PWM compare comparator will output a high signal, the switch turns on accordingly and the inductor stores energy. The second stage includes low pass filters connected to the output of the switch, and the voltage output by the filter is the regulated output voltage. Furthermore, the IXI 859S1 also has a protection loop to prevent the converter from overvoltage and overcurrent.

Conclusion

IXI859S1 is a special purpose voltage regulator designed specifically for the telecommunications industry. The converter provides a regulated output voltage of 12V with a wide input voltage range of 28-56V. It also features a high efficiency, short circuit protection and over voltage protection. With its advanced circuitry design and low power dissipation, IXI859S1 is an ideal choice for power supply applications.

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