SM20-24S05

Current - Output (Max):	4A
Size / Dimension:	1.83" L x 1.40" W x 0.40" H (46.5mm x 35.6mm x 10.0mm)
Package / Case:	48-SMD Module
Mounting Type:	Surface Mount
Efficiency:	80%
Operating Temperature:	-40°C ~ 60°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	700V
Power (Watts):	20W
Series:	SM20
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Part Status:	Obsolete
Packaging:	--

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DC DC Converters: SM20-24S05 Application Field and Working Principle

DC-DC converters are electronic devices used to convert a DC voltage from one level to another. They are commonly used in a wide variety of applications, from small consumer electronic devices to portable devices or as part of larger electronic power systems in telecommunications and automotive industries. The SM20-24S05 is one such DC-DC converter, which is specifically designed for portable devices and operating in a wide range of DC input and output voltages.The SM20-24S05 is a very compact single-output DC-DC converter that features a high level of efficiency and has a wide input voltage range of 4.5V to 25V. It also offers adjustable output voltage from 0.8V to 24V with a maximum load current of 20A. This makes it ideally suited for applications that require efficient and reliable power conversion in a small form factor.The SM20-24S05 uses a buck switching topology, which consists of two components - an inductor and a switching element. The inductor stores energy in an electromagnetic field when the switching element is on, and releases energy into the output when the switching element is off. This process creates an alternating current at the output, which is then rectified into a DC voltage through a rectifier circuit.The SM20-24S05 also features a pulse-width-modulation (PWM) control circuit, which is used to regulate the output voltage from the converter. The PWM circuit consists of a voltage reference and an error amplifier which senses any fluctuations in the output voltage of the converter. It then adjusts the duty cycle of the switching element in order to maintain a constant output voltage.In addition to providing constant output voltage, the SM20-24S05 can also withstand wide input voltages, making it suitable for applications that are subjected to variable input voltages from their power source. The SM20-24S05 is also capable of high efficiency operation with low switching and stand-by losses. These features, combined with its small size, make the SM20-24S05 ideal for portable electronics applications such as mobile phones, media players, and other consumer devices.The SM20-24S05 has a very robust design and has been tested to withstand temperature variations from -40 degrees Celsius to +125 degrees Celsius. It has a reverse protection feature for avoiding input reverse connection and a fatigue-free overload protection circuit for preventing overheating. Its high level of electromagnetic interference (EMI) compatibility also ensures low noise operation in a noisy environment.Overall, the SM20-24S05 is an ideal choice for applications requiring a compact and robust DC-DC converter that can provide a wide range of input and output voltages with an adjustable output voltage. It offers very high levels of efficiency and excellent EMI performance, making it perfect for many large and small scale portable electronics applications.

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