SIP302.0LT

Series:	SIP 300
Packaging:	Bulk
Part Status:	Obsolete
Type:	Non-Isolated PoL Module
Number of Outputs:	1
Voltage - Input (Min):	3V
Voltage - Input (Max):	3.6V
Voltage - Output 1:	2.1V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	6A
Power (Watts):	13W
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, SCP
Operating Temperature:	-25°C ~ 65°C
Efficiency:	84%
Mounting Type:	Through Hole
Package / Case:	11-SIP Module
Size / Dimension:	2.50" L x 0.25" W x 0.55" H (63.5mm x 6.4mm x 14.0mm)
Control Features:	Enable, Active Low

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DC DC Converters: SIP302.0LT Application Field and Working Principle

DC/DC converters are switching power supplies which convert a direct current input voltage to a higher output voltage. The SIP302.0LT DC/DC converters are a new generation of programmable & highly efficient DC/DC converters in the industrial automation system that provide a presise output voltage with faster response for application control. This article discusses the application field and principle of the SIP302.0LT model, and their utility and benefits in industrial control.

Application Field

SIP302.0LT DC/DC converters are widely used in industrial automation applications, mainly for the conversion of nominal DC line input to regulated DC output voltage levels. These converters are suitable for automation and energy storage systems, DC motor control, servo motor control, and PLC control applications. The SIP302.0LT converters feature a high power to size ratio, wide operating temperature range of -25°C to +70°C, and high efficiency of up to 92%. Thanks to the converters’ programmable outputs, they can reach different output voltages, ranging from 3.3V to 24V.

Working Principles

At the core of the SIP-302.0LT DC/DC converters is a highly efficient quasi-resonant topology called Boost Multi-Phase Buck (BMB) converter, which consists of two stages of quasi-resonant switching nodes and a transformer. The first step of the converter is to convert the input voltage to variable output voltage by the two quasi-resonant nodes, which are controlled by a high-temperature-resistant PNP bipolar transistor and a high-speed MOSFET. The output voltage is regulated by the transformer and its magnitude is measured by the integrated voltage regulator. Finally, the DC output voltage is further regulated by a fast-acting feedback loop control circuit.

Benefits and Utility of the SIP302.0LT Converters

The SIP302.0LT DC/DC converters are designed for use in industrial automation applications, with features that guarantee high efficiency, stability, and consistent performance. The use of quasiresonant operation eliminates hard switching in the power stage, ensuring low EMI, low EMC, and a high power factor. The temperature-resistant PNP bipolar transistor ensures efficient power conversion while the integrated voltage regulator ensures a reliability voltage feedback loop which makes it suitable for use in harsh operating conditions such as high and low temperature environments. Furthermore, the SIP302.0LT converters offer programmable outputs (between 3.3 V to 24 V) depending on the application and high safety features, making them highly reliable devices.

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