PQA30-D24-S5-DH

Current - Output (Max):	6A
Control Features:	Enable, Active High
Size / Dimension:	2.00" L x 1.00" W x 0.64" H (50.8mm x 25.4mm x 16.3mm)
Package / Case:	6-DIP Module
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	30W
Series:	PQA30-D
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC to DC converters are device or a circuit that converts a source of direct current (DC) from one voltage level to another. Linear regulators and switching regulators are DC to DC converters used for various applications.The PQA30-D24-S5-DH is one such type of DC to DC converter used in commercial applications to convert 24 volt DC power source to 5 volt step down power supply. The device consists of a power inductor, rectifier, input filter capacitor, two synchronous rectifying MOSFETs, output capacitors, and control circuits.Working principleThe PQA30-D24-S5-DH uses a PWM (Pulse-Width Modulation) controlled buck topology to convert 24V to a lower voltage. It consists of an input rectifier, an inductor (an energy storage component), switchable MOSFETs (Metal Oxide Semiconductor Field Effect Transistors) and a capacitor, and a precise control circuit for current and voltage regulation.The input rectifier rectifies the input voltage and charges the inductor with current. The MOSFET then switches with a frequency determined by the control circuit. Each time the MOSFET is switched on, which is known as the “Converter Duty Cycle” phase, the inductor current increases until the converter current limit is reached. After the duty cycle, the MOSFET is turned off and the inductor current is discharged across the load, producing an output voltage.Once the output voltage reaches the desired level, the control circuit adjusts the duty cycle according to a predetermined feedback network. This cycle is repeated with every switching of the MOSFETs and continues until the input voltage is removed. The input filter capacitor is used to reduce any voltage spikes or alteration of the input voltage and helps to smooth the input current waveform.Application fieldThe PQA30-D24-S5-DH is typically used to convert 24 volt DC power supply to a 5 volt step down converter for use with electronic devices such as GPS receivers, audio amplifiers, and portable media players. The converter is also used for industrial applications including motor control, power factor correction, switching power supplies and voltage regulation.In motor control, the converter is used to process signals from motion control devices such as drives and motors. The switching of the transistors can be programmed depending on the speed and torque required to complete a given task.The PQA30-D24-S5-DH is also commonly used in power factor correction systems to reduce power losses in a power grid. Power factor correction works by modifying the current waveform through the introduction of harmonic components which are injected by the converter and helps to reduce the risk of power outages. Finally, the converter can also be used in switching power supplies where the output voltage is regulated according to the input of the device. This makes it easier to reduce power losses in the power grid. ConclusionThe PQA30-D24-S5-DH DC to DC converter is a versatile device with a wide range of applications in motor control, power factor correction, switching power supplies and voltage regulation. It is an efficient and reliable power supply that is commonly used in commercial applications such as GPS receivers, audio amplifiers, and portable media players. The converter is able to efficiently convert a 24V DC power source to a 5V step down power supply with the use of a precise control circuit and synchronous rectifying MOSFETs.

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