S24SE3R307PDFA

Current - Output (Max):	7.5A
Control Features:	Enable, Active High
Size / Dimension:	1.00" L x 1.00" W x 0.40" H (25.4mm x 25.4mm x 10.2mm)
Package / Case:	6-DIP Module
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	30W
Series:	S24SE
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	36V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters - S24SE3R307PDFA Application Field and Working Principle

DC-DC converters are typically used to transform electrical energy from one form to another. For example, they may be used to convert AC power to DC power, or to convert DC power to a higher or lower voltage level. The S24SE3R117PDFA is a DC-DC converter designed specifically to convert 24 V DC power to 3.3 V DC power, while also providing a very wide input voltage range.The S24SE3R307PDFA is a low power DC-DC converter specifically designed for space-constrained applications. Its wide input voltage range of 10.8 V to 36 V makes it suitable for a variety of 24 V industry standard input quite popular in industrial automation and factory automation applications. The S24SE3R307PDFA requires a minimum of external components and provides up to 20 W output power with user setable current limiting or electrical shutdown control features. The converter has a very wide operating temperature range of -40C to +125C providing power derating when used in higher ambient temperatures.The simple circuit diagram of the S24SE3R307PDFA can be seen below, with input, output and control connections at the top and bottom of the converter. The internal circuitry consists of a single stage topology, with a primary switch followed by a synchronous rectifier and an LC filter. It uses a fixed frequency current mode control (CMC) to ensure the stability of the circuit.The CMC works by comparing the ramp signal which is generated by the internal oscillator, with the sensed inductor current in order to turn off the internal switch at an appropriate time. Due to the wide input voltage range of the S24SE3R117PDFA, the output voltage is regulated over a wide input voltage range, regardless of the load.The S24SE3R307PDFA also contains two external control pins. The first pin is used as a soft-start function which allows the output voltage to slowly increase from the minimum to the setpoint which is programmed using the second control pin, using a resistor. The output power of the converter can be enabled and disabled using the enable pin, which controls the internal switches. The control pin can also be used to adjust the current limit, which helps to reduce the output voltage in case of overload conditions.The advantages of using the S24SE3R307PDFA include its wide input voltage range, minimal external components and adjustable current limit. The wide input range and adjustable current limit provide a great amount of flexibility in designing applications requiring high power from a limited input range. It is also ideal for applications requiring low power consumption with a small footprint as it requires minimal external components for operation. Furthermore, the adjustable current limit allows the converter to provide protection against overloads.Overall, the S24SE3R117PDFA is an excellent choice for applications requiring a regulated output voltage from a wide input voltage range, as it offers stability, reliability and flexibility accommodating a variety of needs. Its combination of features provide a great solution for designers to address solutions in a wide variety of market segments.

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