ISM0224S15

Current - Output (Max):	133mA
Size / Dimension:	0.94" L x 0.54" W x 0.36" H (24.0mm x 13.7mm x 9.3mm)
Package / Case:	16-SMD Module, 6 Leads
Mounting Type:	Surface Mount
Efficiency:	66%
Operating Temperature:	-25°C ~ 105°C (With Derating)
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	4kV
Power (Watts):	2W
Series:	ISM02
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	15V
Voltage - Input (Max):	26.4V
Voltage - Input (Min):	21.6V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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Introduction
DC-DC converters are an important part of the modern electrical system, as they work to convert direct current to the required voltage level. The ISM0224S15 is a type of DC-DC converter that fulfills this purpose. This article looks at the application field and working principle of the ISM0224S15.Application Field
The ISM0224S15 is designed to convert a range of voltages from a wide range of sources. It can accept up to 15A from an input voltage of 2V to 24V, making it suitable for a range of power systems. It is particularly suitable for applications that require a reliable source of supply such as alarm systems, security systems, automotive applications and other power systems.Operation Principle
The ISM0224S15 uses a step-down converter to reduce the input voltage to the desired level. This means that the converter feeds a lower voltage to the load, resulting in a more efficient operation. The converter can be programmed to specific settings, allowing the user to achieve the exact voltage output they require.The core of the ISM0224S15 is the switching transistor, which acts as an electronic switch. The transistor is connected to the external input voltage, which is then periodically switched on and off to create the desired voltage output. This switching action is known as pulse width modulation (PWM).Components
In addition to the switching transistor, the ISM0224S15 has several key components that serve to regulate the output voltage. These include the error amplifier, PWM comparator, feedback divider, current limit circuit and protection circuit.The error amplifier monitors the output voltage and sends a signal to the PWM comparator if any changes occur. The PWM comparator then compares this signal with the reference voltage and adjusts the pulse width of the transistor accordingly. The feedback divider is used to adjust the output voltage if a load is applied.The current limit circuit is designed to prevent the transistor from drawing too much current and overloading the system. It will shut off the power if the current exceeds a certain level. The protection circuit provides protection against overvoltage and short circuit.Conclusion
The ISM0224S15 is a DC-DC converter designed to provide a reliable source of power for a range of applications. It uses a step-down converter to reduce the input voltage to the desired level, and features a combination of components to regulate the output voltage. It is suitable for a range of power systems and a reliable source of supply.

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