NR111D

Voltage - Input (Max):	31V
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	350kHz
Current - Output:	4A
Voltage - Output (Max):	24V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	6.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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IntroductionThe NR111D is a DC-DC switch regulator which is designed to provide a regulated voltage output in a variety of switching applications. It is an integrated user-adjustable device which can be used to provide a regulated output from a DC power supply or from batteries. The NR111D can be used to directly power a load or to provide a buffered voltage for reliable operation of the load.Features and AdvantagesThe NR111D is endowed with many features and advantages which set it apart from other available DC-DC switch regulator solutions. Its main features include:- High-efficiency, low-current ratings, and user-configurable output voltage ranges;- Built-in temperature and current protection;- Adjustable step-up/down voltage output. These main features provide a range of benefits to users. Motor protection is improved by the built-in temperature and current protection, the efficiency of the switching controls is improved by the adjustable step-up/down voltage output, and the versatility of the NR111D is maximized due to its ability to adjust the output voltage. ApplicationsThe NR111D offers a wide range of applications from automotive to medical, due to its versatile features. In automotive applications this switch regulator can be used for operation of low-voltage loads, ensuring reliable power for multiple components. It is also suitable for powering the high performance flash memory used in automotive controllers, something that requires high stability and temperature resistance. In medical equipment it can be used to create a stable power supply for medical equipment. This helps ensure the safety and reliability of the device, as well as its power efficiency.MechanicsThe NR111D switch regulator consists of two stages, a high-side power switch, and a low-side power switch. The high-side switch is connected to the input voltage and monitors it in order to regulate the output voltage. A current sense resistor is used to sense the load current and the high-side switch will be driven on and off while monitoring the output voltage. The low-side switch is connected to the output voltage and is used to control the output voltage according to the input signal from the high-side switch. This allows the output voltage to be carefully regulated to a user-defined value. ConclusionIn conclusion, the NR111D DC-DC switch regulator is a versatile and reliable device which can be used in a variety of switching applications. It provides a range of features and benefits which set it apart from other solutions and is suitable for uses from automotive to medical. The two-stage power switch mechanism allows for highly accurate voltage output, making this device an ideal choice for users looking for a robust and reliable switch solution.

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