RT5795AGQW

Voltage - Input (Max):	5.5V
Supplier Device Package:	8-WDFN-SL (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.7MHz
Current - Output:	2A
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	0.45V
Series:	ACOT™
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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PMIC – Voltage Regulators – DC DC Switching Regulators

RT5795AGQW is a high-performance DC/DC switching regulator from Richtek Technology Corp. It is designed to provide a cost-effective, space-saving voltage regulator solution in today’s increasingly sophisticated electronic equipment. The RT5795AGQW DC/DC switching regulator is one of the most popular and widely used regulators in the market.

Features to Note

The following are some of the features of the RT5795AGQW DC/DC switching regulator: 1. Low input voltage operation down to 2.5V. It can operate at any voltage level between the input voltage and its regulated output voltage. 2. The output current can reach 6A with a maximum ambient temperature of up to 60°C. 3. Equipped with over-voltage and over temperature protection to ensure stability and prevent damage in both normal and fault conditions. 4. Low ripple and noise for both input and output voltages. 5. Comprehensive protection functions are supported, such as thermal protection, overload protection and short-circuit protection. 6. Wide input voltage range of 8V to 36V. 7. High output accuracy and low output ripple ensure highly efficient and reliable performance.

Typical Applications

RT5795AGQW DC/DC switching regulator is suitable for a wide range of applications including personal electronics and computer systems, audio solutions, industrial control and automotive applications, and internet of things (IoT) applications. This efficient and reliable regulator can also be used in distributed power systems, telecom systems, and other embedded applications.

Working Principle

The RT5795AGQW DC/DC switching regulator works by regulating the output voltage by adjusting the duty cycle of an internal switch. It can operate in either pulse width modulation (PWM) or pulse frequency modulation (PFM) mode. When in PWM mode, the regulator output voltage is regulated by adjusting the)duty cycle of an internal switch. High-frequency PWM signals are generated by an internal oscillator, with the duty cycle being varied according to the output voltage and current. When in PFM mode, the DC/DC converter switches off regularly when the output voltage reaches its desired level, thus guaranteeing low output ripple.

Conclusion

In conclusion, the RT5795AGQW DC/DC switching regulator is a cost-effective, space-saving voltage regulator solution designed to provide efficient, reliable performance, and it is suitable for a wide range of applications. it can operate in either PWM or PFM mode, and offers comprehensive protection functions to ensure stability and prevent damage in both normal and fault conditions.

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