REG71055DDCRG4

Voltage - Output (Min/Fixed):	5.5V
Base Part Number:	REG71055
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	1MHz
Current - Output:	60mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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REG71055DDCRG4 is a high performance integrated Non-Synchronous Step Down DC DC Switching Regulator designed for the most modern and innovative applications. The primary feature of this device is its ability to supply linear current to a load at an adjustable output voltage. The REG71055DDCRG4 features advanced low power, high efficiency switching technologies and is also well suited for applications demanding high accuracy and very low noise. This device is an ideal solution for many applications involving optimized energy production and distribution.
ApplicationsThe REG71055DDCRG4 is well suited for a wide range of applications where step down DC to DC conversion is needed. Some examples include industrial supervisory control systems, telecommunications, automotive and other embedded systems. It is also suitable for applications that require precise voltage regulation, such as notebook and networking computers, medical equipment and data servers.
FeaturesThe REG71055DDCRG4 includes a wide range of features that make it an excellent choice for many applications. These features include a wide input voltage range from 3V to 24V, an adjustable output voltage from 0.5V to 8V, high efficiency up to 94%, low output noise and current mode control for excellent stability and transient response. The device also features thermal shutdown protection, adjustable current limit, Power Good status and the ability to operate in Pulse-Skipping mode for very low power dissipation.
Working PrincipleThe REG71055DDCRG4 utilizes advanced switching technologies to convert input power from a DC power source to a lower regulated output voltage. It operates as a 2-phase switched-mode power converter with a fixed frequency of up to 1.05 MHz. Current mode control is used to ensure stability, while a voltage feedback loop with an error amplifier is implemented to adjust the output voltage to the desired value. Once the regulation loop is closed, the device switches at a predetermined frequency and an input current waveform matching that of the output target is generated.
ConclusionThe REG71055DDCRG4 is an integrated Non-Synchronous Step Down DC DC Switching Regulator optimized to work with advanced applications requiring high accuracy and low noise. With its wide input voltage range, adjustable output voltage range, high efficiency, low noise and other advanced features, REG71055DDCRG4 is an ideal solution for many applications involving optimized energy production and distribution.

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