XC9271B083QR-G Integrated Circuits (ICs)

Voltage - Input (Max):	30V
Supplier Device Package:	8-SOPFD
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz
Current - Output:	2A
Voltage - Output (Max):	12V
Voltage - Output (Min/Fixed):	1.2V
Series:	--
Voltage - Input (Min):	7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

The XC9271B083QR-G is a synchronous step-down DC/DC converter, featuring a high output current up to 8.3A, wide input voltage range, and high-accuracy output voltage accuracy. It has four pre-defined output voltage levels, so the user can easily adjust the output voltage according to the system requirement. Additionally, it has various integrated features, including a thermal limit circuit, a soft start circuit, a power-on reset circuit, a power save circuit, and a fault protection circuit. Thanks to these features, the XC9271B083QR-G can ideally be used in applications that require efficient energy conversion and high reliability.

The working principle of the XC9271B083QR-G can be divided into two parts: switching and regulation. The switching part is responsible for the conversion of the input voltage to the internal voltage; the regulation part maintains the preset output voltage. During operation, an internal oscillator will generate an evenly spaced sequence of pulses, thus driving the built-in power switch. When the power switch is turned on, the input voltage is converted to an internal voltage level and then stored in a capacitive element. When the power switch turns off, the capacitor will discharge and the stored energy will be released and transferred to the output voltage through the boost inductor. The output voltage will be then regulated and maintained at the preset value. This process is repeated in each cycle and the output voltage will remain stable.

The XC9271B083QR-G is a highly reliable and efficient DC/DC converter, Suitable for various applications such as PoE, power adapters, server power supplies, industrial power supplies, motor speed controllers, and home applications. Its wide input voltage range makes it ideal for a wide range of systems, while its high-accuracy output voltage ensure long-term stability. Additionally, its integrated features such as thermal limit circuit and power save circuit make it the perfect choice for applications that need to achieve the highest efficiency possible.

The XC9271B083QR-G is designed to be simple to use and maintain. Its four pre-defined output voltage levels make it easy to adjust the output voltage according to the system requirement. Moreover, its fault protection circuit and built-in soft start circuit assure a safe and reliable operation. All these features enable the user to control the XC9271B083QR-G with ease and reliability.

In conclusion, the XC9271B083QR-G is a highly reliable and efficient DC/DC converter with various integrated features and a wide input voltage range. It is suitable for various applications and its simple operation and design make it easy to use. Moreover, its high-accuracy output voltage ensure long-term stability. All these features make the XC9271B083QR-G the perfect choice for applications that require efficient energy conversion and high reliability.

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