S-8331A26FS-T2-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Step-Up
Output Configuration:	Positive
Topology:	Boost
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2V
Voltage - Input (Max):	9V
Voltage - Output (Min/Fixed):	14V
Voltage - Output (Max):	26V
Current - Output:	300mA (Switch)
Frequency - Switching:	180kHz
Synchronous Rectifier:	No
Operating Temperature:	-20°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-LSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-SSOP

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S-8331A26FS-T2-G Application Field and Working Principle

The S-8331A26FS-T2-G is a DC-DC switch regulator that is designed to provide a wide input voltage range of 2.3 V to 5.5 V and offers a 2-A current capability at an output voltage of either 1.2 V or 1.8 V. The high switching frequency allows for a small size and efficient operation, while the low ripple output ensures precise voltage regulation.

Application Fields

The S-8331A26FS-T2-G DC-DC switch regulator is a suitable solution for various applications, including automotive, communications, computing, consumer and Industrial and the Internet of Things (IoT). Automotive applications such as head units, cameras, airbag control modules, and fuel injection systems can utilize the S-8331A26FS-T2-G for its precise voltage regulation, low ripple, and high efficiency. The small size and low heat generation of the switch regulator make it an ideal solution for consumer applications such as printers, monitors, and handheld devices, as well as industrial applications such as power conditioning systems. Additionally, the S-8331A26FS-T2-G can be utilized for the powering of innovative applications in the world of the IoT where smart sensors, communication modules, and mobile or wearable devices utilize higher levels of energy efficiency.

Working Principle

The S-8331A26FS-T2-G is a synchronous DC-DC buck conversional regulator. It takes a wide input voltage range of 2.3V to 5.5V and is able to output an adjustable voltage of 1.2V or 1.8V while supplying a current of up to 2A.The basic operation of a DC-DC buck converter is based on the principle of energy transfer. As the input voltage is greater than the set output voltage, power is transferred from the input to the load, and the output voltage is regulated to the set value by controlling the duty cycle of the switch.The output voltage of the S-8331A26FS-T2-G is controlled by the error amplifier which compares its output to the internal reference voltage. When s the output voltage is higher than the reference voltage, the circuit will decrease the duty cycle of the switching element. Conversely, if the output voltage is lower, the duty cycle of the switching element will be increased. The circuit also contains an output capacitor, which helps maintain a stable output voltage by affecting the circuit’s response time.The S-8331A26FS-T2-G is designed for high-efficiency operation. The synchronous rectification scheme eliminates current flow through the diode during periods when the circuit is in a short circuit condition. This eliminates significant power losses and results in a highly efficient circuit. The switching frequency can be adjusted from 0.2 MHz to 3.0 MHz and this allows for a smaller size of the external components.

Conclusion

The S-8331A26FS-T2-G DC-DC switch regulator is a high performance and efficient solution that is suitable for many applications such as automotive, communications, computing, consumer, Industrial and the Internet of Things. Its high switching frequency, low ripple output, and low heat generation make it an ideal choice for powering LED drivers, communication modules, and other high power installations. The synchronous rectification technique also enables the low power loss and high efficiency operation of the switch regulator, making it an energy-saving solution.

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