SD-1000L-48

Voltage - Output 4:	--
Approvals:	CB, CE
Size / Dimension:	11.61" L x 5.00" W x 1.61" H (295.0mm x 127.0mm x 41.0mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-20°C ~ 60°C (With Derating)
Efficiency:	90%
Applications:	ITE (Commercial)
Voltage - Isolation:	2000V
Power (Watts):	1008W
Current - Output (Max):	21A
Series:	SD-1000
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Number of Outputs:	1
Voltage - Input (Max):	72V
Voltage - Input (Min):	19V
Type:	Enclosed
Part Status:	Active

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DC DC Converters

DC/DC converters have been in use for over a century and have become increasingly popular in recent years due to their flexibility and power efficiency. One such DC/DC converter is the SD-1000L-48. This article will provide an overview of the SD-1000L-48 application field and its working principle. The SD-1000L-48 is a high performance quad-output DC- DC converter, designed to deliver a wide range of stable, low-noise, regulated output voltage levels from a single input voltage source. It is suitable for a variety of applications such as automotive electronics, power management, wireless infrastructure, industrial process control, battery-powered systems, instrumentation, and audio/video systems. The SD-1000L-48 is a multi-phase interleaved solution, allowing for current sharing and a balanced load distribution across the output stages. This ensures low output ripple, low EMI and low input current harmonics while keeping output voltages tightly regulated even when large currents are drawn from each output channel. The device is available in a range of input and output voltages, which can also be customized upon request.The SD-1000L-48 has a three-way protection feature, which includes the input over voltage protection, output over voltage protection and output shorts protection circuits. This feature ensures complete safety in case of a fault or an overload. Furthermore, adjustable soft-start function helps prevent in-rush current startup conditions.The main working principle of the SD-1000L-48 lies in its internal switched-mode power supply (SMPS). SMPS is a efficient power conversion technology, which converts the input voltage into a adjustable and regulated output range. In the SD-1000L-48, high-side transistors are used to produce the output signals. The output voltage can be adjusted by controlling the gate of the high-side transistor. The duty-cycle of the output signal is also determined by the gate voltage. The SD-1000L-48 is designed for high efficiency operation, providing up to 95% efficiency and a low switching loss. In order to minimize the losses further, it employs advanced power conversion techniques such as resonant mode power conversion and multiple phase interleaving. In conclusion, the SD-1000L-48 DC/DC converter offers a range of features that make it suitable for a wide range of applications. Its high efficiency and tightly regulated outputs ensure consistent performance and protection of sensitive systems. Its three-way protection feature and adjustable soft-start function guarantee safety and reliability even in overloaded conditions. Thanks to its advanced power conversion techniques, the SD-1000L-48 is capable of providing up to 95% efficiency and low switching loss, ensuring high power savings and a better user experience.

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