SUW31215B

Current - Output (Max):	100mA, 100mA
Supplier Device Package:	--
Size / Dimension:	0.94" L x 0.59" W x 0.26" H (24.0mm x 15.1mm x 6.5mm)
Package / Case:	7-SMD Module, Gull Wing
Mounting Type:	Surface Mount
Efficiency:	78%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	500V
Power (Watts):	3W
Series:	SUW
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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SUW31215B is a highly reliable, highly efficient DC-DC converter designed for use in a wide variety of situations. It can be used in applications requiring high efficiency, low output ripple, and high reliability.The basic function of the SUW31215B is to convert a DC voltage input into a regulated DC voltage output. It is able to function as either a buck (step-down) converter or a boost (step-up) converter. In buck mode, the converter takes in a higher voltage at the input and produces a lower voltage at the output. In boost mode, the converter takes in a lower voltage at the input and produces a higher voltage at the output. This makes the device ideal for use in applications where a wide range of voltages are needed.The operating principle of the SUW31215B is based on a series of switching elements. These elements, known as MOSFETs, or metal-oxide-semiconductor field-effect transistors, control the conversion of energy from one form to another. The MOSFETs are controlled by a feedback circuit, which is able to detect changes in the output voltage and adjust the switching elements accordingly.In buck mode, the SUW31215B uses the MOSFETs to cause a pulse-width modulation that is synchronized to the input voltage. This pulse-width modulation causes the output voltage to become more regulated, and also increases the efficiency of the converter. In boost mode, the MOSFETs cause the output voltage to be increased. The feedback circuit is used to ensure a constant output voltage.The SUW31215B also has a protection circuit that can be used to protect the device from over current and over voltage conditions. It also features a power limiting circuit which limits the maximum output current.The SUW31215B is commonly used in applications such as telecommunications and motor controls. It is also ideal for use in portable devices, such as laptop computers, mobile phones, and tablets. With its high efficiency, low output ripple, and excellent protection features, it is one of the most popular DC-DC converters on the market.

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