XC9265A301MR-G

Voltage - Input (Max):	6V
Supplier Device Package:	SOT-25-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	--
Current - Output:	200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Series:	--
Voltage - Input (Min):	2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
The XC9265A301MR-G is an integrated circuit that functions as a programmable DC-to-DC switching regulator, providing efficient power conversion for a wide variety of application fields. It features a low quiescent current, high efficiency, and adjustable output voltage from 0.6V to 5.5V. The device includes an embedded control core, diagnostics, and under-voltage lockout for system protection.Application Field
The XC9265A301MR-G can be used in a variety of applications such as non-isolated point of load (POL) DC-to-DC conversion, active power factor correction (PFC), and battery management systems (BMS). It is especially useful in space-constrained applications as it requires a very small component size while maintaining excellent performance. The device is also suitable for harsh environments operating at temperature ranges between -55°C to 125°C. For instance, the device can be implemented in fanless industrial PCs, electric automobiles, medical electronic equipment and other consumer electronic products. It has wide acceptance in the market for its features such as low component size, long operating life, and a wide range of supply voltages. Working Principle
The XC9265A301MR-G operates as a voltage regulator, customizing the output voltage over a wide range of output currents, enabling the system to meet precise power requirements. The device uses a step-down PWM conversion technique to ensure precise and stable output voltage regulation. The device starts with an input voltage from a power source, which is then stepped down to the desired output voltage level, is regulated by an integral control loop. The device also utilizes adaptive voltage scaling (AVS), allowing the output voltage to be regulated over a wide range of load conditions.The device also includes an integrated over-temperature protection (OTP), which ensures that the device does not exceed the maximum allowed temperature and is automatically shut down if the temperature is exceeded. In addition, it also has over-current protection (OCP), which shuts down the system if a current surge is detected. To prevent erratic behavior, the device has an integrated under-voltage lockout (UVLO) circuit that prevents it from operating during instances of low input voltage.Conclusion
The XC9265A301MR-G programmable DC-to-DC switching regulator is an integrated circuit that features an adjustable output voltage from 0.6V to 5.5V and low quiescent current for efficiency. It can be used in a variety of applications such as non-isolated point of load, active power factor correction, and battery management systems. The device operates using a step-down PWM conversion technique and leverages adaptive voltage scaling and integrated protection circuits, allowing it to work reliably in a wide range of ambient temperatures.

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