AUR9705AGD

Voltage - Input (Max):	5.5V
Supplier Device Package:	6-WDFN (2x2)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 80°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.5MHz
Current - Output:	1A
Voltage - Output (Max):	3.3V
Voltage - Output (Min/Fixed):	1V
Series:	--
Voltage - Input (Min):	2.5V
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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AUR9705AGD: Application Field and Working Principle

The AUR9705AGD is a DC-DC switching regulator developed by Advanced Analogue Technologies Corporation (AATC). It is a highly integrated power management integrated circuit (PMIC) with comprehensive protection functions and adjustable output voltage. It is suitable for applications such as automotive, industrial, battery powered and consumer electronics. This article will provide an overview of the AUR9705AGD\'s application field and working principle.

Application Field

The AUR9705AGD is specifically designed for use in advanced automotive electronics, industrial equipment, computing and consumer electronic applications. It is well-suited for applications such as car audio, battery chargers, solar inverters, industrial instruments and other applications that require high levels of current and voltage output at a small form factor.

Working Principle

The AUR9705AGD is a DC-DC switching regulator that consists of four identical synchronous buck converter channels. Each channel consists of a PWM controller, a power switch and a synchronous rectifier. The PWM controller is responsible for generating the gate signals to control the power switch and synchronous rectifier in order to regulate the output voltage. The voltage can be adjusted through the feedback and reference pins.The maximum output current for each channel is 5A, and the maximum output power is 40W. The wide input voltage range of 6V to 19V, and the adjustable output voltage range of 0.8V to 17V make it an ideal choice for a wide variety of applications.The AUR9705AGD utilizes an advanced dual mode protection system to ensure robust operation. This protection system includes over-voltage protection, under-voltage protection, over-temperature protection and over-current protection. The device also features a chip enable pin and a power good pin to allow for easy control and monitoring of the power supply.

Conclusion

The AUR9705AGD is an integrated DC-DC switching regulator developed by Advanced Analogue Technologies Corporation. It is a highly integrated PMIC with comprehensive protection functions and adjustable output voltage and is suitable for applications such as automotive, industrial, battery powered and consumer electronics. The wide input voltage range and adjustable output voltage range make it an ideal choice for a wide variety of applications. Furthermore, this device features an advanced dual mode protection system to ensure robust operation.

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