R0.25D-0524/H-R

Series:	ECONOLINE R0.25D
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	5.5V
Voltage - Output 1:	24V
Voltage - Output 2:	-24V
Voltage - Output 3:	--
Current - Output (Max):	5.2mA, 5.2mA
Power (Watts):	250mW
Voltage - Isolation:	3kV
Applications:	ITE (Commercial), Medical
Features:	SCP
Operating Temperature:	-40°C ~ 100°C
Efficiency:	60 ~ 70%
Mounting Type:	Surface Mount
Package / Case:	10-SMD Module, 6 Leads
Size / Dimension:	0.60" L x 0.42" W x 0.28" H (15.2mm x 10.7mm x 7.0mm)

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DC DC Converters: R0.25D-0524/H-R Application Field and Working PrincipleDC-DC converters are power-conversion devices used to provide a regulated output voltage from an unregulated input voltage. DC-DC converters are commonly used in electronic engineering and embedded systems technology, and they are especially useful in applications where only limited power is available. The R0.25D-0524/H-R DC-DC converter is a compact and simple device that uses a semi-regulated approach to convert a wide range of input voltages into 24 VDC output. Operating PrincipleThe converter consists of a transformer, rectifier, and a regulator. It operates on a discrete half-bridge circuit, which is an efficient configuration used in many DC-DC converters. When current is supplied to the alternating current (AC) input of the R0.25D-0524/H-R converter, it is first filtered using a capacitor. The filtered AC current is stepped down with a transformer, and the stepped-down AC voltage is rectified by a diode bridge. This results in a direct current (DC) voltage that is greater than the output voltage but uncontrolled. A capacitor is used to smooth the resulting DC voltage and limit the peak-to-peak ripple voltage.The output is regulated using an error-amplifier and a pass transistor circuit. The error amplifier supplies a base bias voltage to the pass \'transistor\' which is a component that passes an electric current between the input and output of a device. The pass \'transistor\' is a non-linear voltage-controlled device and is used to achieve an output voltage that is determined by the feedback signal from the output.The error amplifier generates a control voltage from the output voltage, and the pass transistor amplifies this control voltage to regulate the output voltage. The control voltage can be set manually by the user, or it can be programmed using an external controller.Application FieldThe R0.25D-0524/H-R DC-DC converter is designed for general-purpose, semi-regulated input-voltage conversion from wide input voltage ranges to 24 VDC output. This makes it a suitable choice for a variety of industrial, automotive, and consumer applications. One typical application is a solar panel charger used by a range of consumer-grade electrical appliances. Solar cells convert sunlight into electricity and store it in a battery. The R0.25D-0524/H-R DC-DC converter can convert the solar energy into a 24 VDC output voltage, allowing the appliance to run on energy harvested from the sun.The R0.25D-0524/H-R is also commonly used in autonomous systems such as robotic platforms, autonomous vehicles, and military UAVs (unmanned aerial vehicles). In these applications, the converter can be used to efficiently convert battery voltage to higher or lower voltage levels required for motor control. The converter has also been used in medical applications such as patient monitoring systems and medical imaging systems. ConclusionThe R0.25D-0524/H-R DC-DC converter is a compact and simple device that can be used to convert a wide range of input voltages into 24 VDC output. It is designed for general-purpose, semi-regulated input-voltage conversion and has a wide range of applications in industrial, automotive, and consumer situations. The converter operates on a discrete half-bridge circuit, and it uses a transformer, rectifier, capacitor, error amplifier, and pass transistor circuit to regulate the output voltage.

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