Series:	IEQ05
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	18V
Voltage - Input (Max):	75V
Voltage - Output 1:	12V
Voltage - Output 2:	-12V
Voltage - Output 3:	--
Current - Output (Max):	209mA, 209mA
Power (Watts):	5W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, SCP
Operating Temperature:	-40°C ~ 90°C
Efficiency:	82%
Mounting Type:	Through Hole
Package / Case:	8-DIP Module, 6 Leads
Size / Dimension:	0.86" L x 0.37" W x 0.44" H (22.0mm x 9.5mm x 11.3mm)
Control Features:	Enable, Active Low

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DC DC Converters

IEQ0548D12 Application Field and Working Principle

DC DC (direct current-direct current) converters are electrical components used to change a direct current voltage from one level to another, and are a common form of power converter. One of the most popular applications of DC DC converters is in vehicles, where they are used to change the car battery\'s voltage from 12V to another level, allowing the electrical components to run efficiently and safely. The IEQ0548D12 is a step-down DC DC converter, and is used in many automotive applications.The IEQ0548D12 is a variable step-down transformer, meaning that the output voltage can be adjusted by controlling the primary winding resistance. It is an isolated pulse-width modulation (PWM) converter, meaning that there is no direct connection between the input and output circuits. It features a wide input voltage range of 5V to 48V, and an output voltage range of 0.9V to 48V. The working principle of this type of DC DC converter is simple and straightforward. It works by converting a higher voltage, direct current power source to a complete circuit of lower, direct current power. The converter comprises a transformer and two electronic switches, usually MOSFETs, as well as a controller IC, usually a PWM controller. The controller IC monitors the output voltage of the system, and regulates the switching frequency of the electronic switches to ensure that the output voltage is kept at a desired level.When the switch is open, no current flows and the output voltage of the system is not affected. When the switch is closed, the voltage across the primary winding increases from the input voltage to the desired output voltage. This is controlled by the controller’s PWM signal. The secondary winding of the transformer is then coupled to the output. As the primary winding is switched on and off at a regulated frequency, the secondary winding absorbs energy and produces a voltage output. The output voltage is then boost regulated to the desired level, either using linear or switch mode by adjusting the duty cycle, or on/off time, of the switches.The IEQ0548D12 provides many advantages over other types of DC DC converters, such as low cost, high efficiency, low noise, and wide input voltage range. It is also highly reliable, as it is built using high quality components and is designed to last for many years. Additionally, the output voltage can be easily adjusted by controlling the primary winding resistance. This makes the IEQ0548D12 well-suited for many automotive applications, such as electric vehicles, hybrid cars, and marine vehicles.In conclusion, the IEQ0548D12 DC DC converter is a versatile and reliable component that can be used in a wide variety of automotive applications. It works by converting a higher voltage, direct current power source into a complete circuit of lower, direct current power, using an isolated transformer and two electronic switches. It features a wide input voltage range of 5V to 48V, and an output voltage range of 0.9V to 48V. Additionally, the output voltage can be easily adjusted by controlling the primary winding resistance. The IEQ0548D12 provides many advantages over other types of DC DC converters, such as low cost, high efficiency, and low noise.

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