RT5796BHGB

Voltage - Input (Max):	5.5V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1MHz
Current - Output:	1.5A
Voltage - Output (Max):	3.4V
Voltage - Output (Min/Fixed):	0.6V
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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PMIC - Voltage Regulators - DC DC Switching Regulators

The RT5796BHGB is a DC-DC switching regulator, the latest in a range of products manufactured by Hon-Hai Precision Company. This device is designed to be a compact, efficient and reliable product that can provide an adequate amount of power for many different applications. Its features include a high power-per-unit size ratio, a wide input voltage range, an input over-voltage protection, and a low quiescent current.

Application field

The RT5796BHGB can be used in a variety of applications, including power-supply modules and on-board DC-DC conversion systems. It is widely used in industrial, automotive, and telecommunications systems, as well as any application that needs to convert a relatively low DC voltage of up to 40V into a higher voltage of up to 58V.

Working Principle

The RT5796BHGB is a synchronous rectifier DC-DC conversion regulator that implements the multi-level buck-boost topology. The device uses two cascaded MOSFETs (metal-oxide-semiconductor field-effect transistors) devices as the synchronous rectifier and uses an inductor-capacitor filter to achieve the desired output voltage. The RT5796BHGB features an integrated current-limiting circuit to protect the device from overload conditions as well as to limit the output current in normal operation. The device also has a current-sense circuit that senses the current that is flowing through the MOSFETs and modulates the switching frequency to enable better power efficiency. The current-sensing circuit also enables an adjustable output voltage. The device also includes an input over-voltage protection circuit as well as a power-saving function that reduces the output power when the device is in an idle state.

Conclusion

The RT5796BHGB is a compact, efficient and reliable multi-level buck-boost topology DC-DC voltage regulator manufactured by Hon-Hai Precision Company. It offers a high power-per-unit size ratio, a wide input voltage range, an input over-voltage protection, and a low quiescent current. The RT5796BHGB is suitable for a variety of applications, including industrial, automotive, and telecommunications systems, as well as any application that needs to convert a relatively low DC voltage of up to 40V into a higher voltage of up to 58V.

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