RT8243CZQW

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, Notebook Power System
Voltage - Input:	5.5 V ~ 25 V
Number of Outputs:	2
Voltage - Output:	2 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-WQFN (3x3)

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The RT8243CZQW is a high-performance and high-efficiency special purpose voltage regulator designed by Richtek Technology Corporation as an optimized power supply solution. This voltage regulator works according to a hysteretic DC to DC buck-boost control algorithm for improved efficiency and parallel control for two outputs. By utilizing Richtek’s advanced manufacturing processes and solutions, the RT8243CZQW is capable of providing precise output voltage regulation despite input voltage variations. Together with its easy-to-use external components and combinations, making this device a sound choice for a variety of low power applications. This voltage regulator makes use of a hysteretic DC/DC buck-boost control algorithm to achieve excellent performance and efficiency. This control algorithm involves the comparison of the output voltage and the reference voltage, and then a control signal is generated to control the switching operation. The hysteretic DC/DC buck-boost control algorithm ensures that even under wide input voltage variations, the output voltage remains precisely regulated. Additionally, the synchronous rectifier topology helps to further reduce the power dissipation, ensuring the overall energy efficiency of the voltage regulator. The RT8243CZQW is designed with easy-to-use external components and combinations which enable users to build their own voltage regulator quickly and conveniently. Richtek’s devices require minimal external components and make use of components which are already available in the commercial market . Furthermore, the RT8243CZQW also has built-in protection features such as overvoltage protection, over-temperature protection and a power-good signal which indicate the output voltage level and help to keep the system safe and reliable. The RT8243CZQW is highly suitable for a wide range of low power applications. These applications include lighting control and LED lighting, PoE (Power over Ethernet) systems, solar and renewable energy applications, automotive electronic control systems, motor control and industrial automation. Other potential applications are audio, communications, consumer electronics and audio-visual products. In conclusion, the RT8243CZQW is a special purpose voltage regulator which is suitable for a variety of low power applications. With its advanced hysteretic DC to DC buck-boost control algorithm and easy-to-use external components and combinations, this device provides precise output voltage regulation with improved efficiency and reliability. Furthermore, it has built-in protection features to keep the system safe and reliable.