SUW31215BP

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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<p>The SUW31215BP is a DC-to-DC converter designed for automotive applications. The converter is based on synchronous buck-regulator topology, and is available in a small, thermally enhanced 3x3mm QFN package. It is capable of providing up to 15W of output power and operates at an input voltage range of 4.5V to 13.2V.</p><p>The SUW31215BP has an adjustable switching frequency of 200kHz to 2MHz, allowing it to be used in a wide range of applications, including LED driver, automotive power management, adaptive cruise control systems, power monitoring systems, and access control systems. It includes an integrated high-side and low-side MOSFETs, as well as an internal logic control circuit and under-voltage lockout (UVLO) protection to ensure reliability.</p><p>The SUW31215BP’s working principle is based on a buck-boost converter, where the input voltage is first reduced via a switching MOSFET before being boosted by an inductor. The boost inductor stores and transfers energy to the output, which is then regulated by an external feedback control circuit. The control circuit adjusts the MOSFET switching frequency to maintain a stable output voltage.</p><p>The SUW31215BP has several features that makes it suitable for automotive applications. It features over-current protection circuitry, so it is able to protect itself against current overload. Additionally, it has an integrated soft-start function, enabling smoother power-up and reducing start-up surge. The device also features a full-cycle frequency shift, which is used to reduce component temperature rise while maintaining high efficiency.</p><p>In conclusion, the SUW31215BP DC-to-DC converter is ideal for use in automotive applications due to its small size, high power output, and integrated protection and control features. It is capable of efficiently converting an input voltage of 4.5V to 13.2V, and is able to provide up to 15W of output power. Its ability to maintain a stable output voltage, even at lower input voltages, makes it a great choice for a variety of applications.</p>

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