ISL2403A

Series:	ISL
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	9V
Voltage - Input (Max):	36V
Voltage - Output 1:	3.3V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	455mA
Power (Watts):	1.5W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	72%
Mounting Type:	Surface Mount
Package / Case:	16-SMD Module, 6 Leads
Size / Dimension:	0.94" L x 0.54" W x 0.31" H (23.9mm x 13.7mm x 8.0mm)

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DC DC Converters are electronic devices used to convert a DC voltage from one level to another. In application, they can be found in a wide range of areas such as automotive, aerospace, medical and telecommunications. DC DC converters are often found in higher power applications where linear or switching power supplies are not suitable. One example of a DC DC converter is the ISL2403A.The ISL2403A is a member of Intersil’s family of monolithic DC to DC converters. It is designed to provide a regulated output voltage from an unregulated input voltage. The converter has an input voltage range of 3.2V to 20V and is capable of providing a regulated output voltage of 2.5V to 18V. The ISL2403A is capable of providing up to 5A of continuous current, making it suitable for high current applications.The ISL2403A has a wide range of features including over-voltage and short circuit protection, and load line regulation. It also has an embedded controller that allows it to quickly adjust its output voltage in response to different load conditions. The device is packaged in a 5x5mm 24-lead QFN package, making it ideal for applications that have space constraints.The ISL2403A can be used in a variety of applications including distributed power architectures, battery management, and LED lighting systems. In distributed power applications, it can be used to convert high voltage DC power from a source such as a battery to lower voltages required for downstream components. In battery management systems, the ISL2403A can be used to regulate the voltage output from the charging port of a device, protecting the connected battery from overcharging. It can also be used in LED lighting systems to regulate the current and voltage supplied to the LED strings, therefore ensuring they are driven with the correct amount of current.The working principle behind the ISL2403A is based on the buck converter topology. In a buck converter, the input voltage is connected to the drain of a power MOSFET, with the source connected to ground. A control IC is used to regulate the flow of current through the power MOSFET by controlling the gate voltage. An inductor is connected between the output and the drain of the MOSFET, and a diode is connected between the output and the source of the MOSFET. As the control IC switches the power MOSFET on and off, current is allowed to flow through the inductor which stores energy in its magnetic field. The diode controls the direction in which the stored energy is released, allowing it to be dissipated as output. In this way, the ISL2403A is able to convert a DC voltage from one level to another.In summary, DC DC converters have a wide range of applications, and the ISL2403A is a versatile and reliable device that can be used to convert a DC voltage from one level to another. It is capable of supplying up to 5A of continuous current, and has features such as over-voltage protection, short circuit protection, and load line regulation. The device is based on the buck converter topology, and can be used in distributed power architectures, battery management systems, and LED lighting systems.

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