R1S8-3.309

Current - Output (Max):	111mA
Control Features:	--
Size / Dimension:	0.50" L x 0.42" W x 0.28" H (12.8mm x 10.7mm x 7.0mm)
Package / Case:	8-SMD Module
Mounting Type:	Surface Mount
Efficiency:	78%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	1W
Series:	ECONOLINE R1S
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	3.6V
Voltage - Input (Min):	3V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC-DC converters are electronic devices which convert a supply direct current (DC) from one voltage level to another. Commonly used for applications such as battery chargers, electronic appliances, automotive electronics, LED lighting, and a wide variety of other industrial and consumer products, DC-DC converters improve efficiency, reliability, and safety in many of today’s electronic products.The R1S8-3.309 DC-DC converter is a synchronous step-down converter used for applications that require a compact solution and have a wide input voltage range. It supports an input voltage ranging from 4.5V to 38V, and is capable of supplying up to 3A of output current.The R1S8-3.309 DC-DC converter uses a synchronous rectification technology. The basic building blocks of the converter are a synchronous rectifier, a high-side driver, and a low-side driver. The synchronous rectifier is used to implement a low-loss alternative to an ideal diode. It is composed of two MOSFET switches (high-side and low-side). The high-side and low-side drivers control the MOSFET switches. The circuit requires an external clock to operate, and the frequency is adjustable over a wide range (from 200KHz to 3MHz).The R1S8-3.309 operates in two modes: continuous conduction mode (CCM) and discontinuous conduction mode (DCM). In CCM mode, the inductor current remains continuous over a certain duty cycle, and the output current ripple is minimized. In DCM mode, the inductor current is forced to go below a certain threshold when the output current is low, and the output current ripple is consequently increased. According to the application, the user can select the suitable operation mode.The R1S8-3.309 DC-DC converter is suitable for a variety of applications, such as distributed power systems, industrial and automotive electronics, and consumer electronics, among others. It is a highly efficient (up to 95%), small, and reliable solution. It is also extremely easy to use, as it supports a wide range of control voltages, and provides several protection features, such as over-voltage, over-temperature, and short-circuit protection. Finally, the R1S8-3.309 comes with a suite of features that make it a highly suitable DC-DC converter for a multitude of applications. It is a synchronous, step-down converter with an input voltage range from 4.5V to 38V, and an adjustable switch mode frequency. It provides high efficiency, low output ripple, and excellent protection features. It is also easy to use and highly reliable. All of these features make the R1S8-3.309 an excellent choice for a wide variety of DC-DC converter applications.

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