IWS2405

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The IWS2405 DC-DC Converter has been designed to provide superior performance within its application field. It is the perfect solution for applications that require a high conversion efficiency, low input voltage, and high output power. Many applications including seismic energy coupling, digital power management, and renewable energy systems have benefitted from the IWS2405.

The IWS2405 is an isolated DC-DC converter that uses a high voltage MOSFET switch to power supply a load. The source voltage can range from 5V to 36V and the load voltage can range from 36V to 300V. The IWS2405 offers an efficiency of 90% which makes it the perfect choice for applications requiring a high level of power conversion efficiencies. It also offers a low standby current and has a fast transient response which ensures the IWS2405 can handle loads quickly and efficiently.

The IWS2405 is designed with a two-stage topology. This topology helps reduce the total harmonic distortion (THD) generated by the converter. This topology also helps reduce the total power dissipation, noise, and EMI resulting from the converter’s operation. The internal protection circuitry also allows the IWS2405 to withstand shorted outputs and other load faults. The IWS2405 is available in three different packages; Do-160 PQFN package, Do-160 TO-92 package, and Do-160 ZIP package.

The IWS2405 offers the following features and benefits:

• High efficiency – up to 90%.
• High output power.
• Low input voltage range – 5V to 36V.
• High temperature operation – up to 125°C.
• Several package options – Do-160 PQFN package, Do-160 TO-92 package, and Do-160 ZIP package.
• Low standby current.
• Accurate output voltage.
• Internal protection circuitry.
• Fast transient response.

The main working principle of the IWS2405 is as follows. The input voltage is converted to a regulated output voltage by a high-frequency switching process which is controlled by the MCU using Pulse Width Modulation (PWM) techniques. The PWM is used to change the duty cycle of the power switch, thereby regulating the output voltage. The MCU also monitors the current in the output and the temperature of the device.

The high frequency switching takes place between the two main components of the IWS2405; the MOSFET switch and the energy storage elements. The MOSFET switch, which is driven by the MCU, performs the voltage conversion while the energy storage elements, which act like capacitors, store energy in between pulse cycles. As the output voltage is regulated, energy is released from the energy storage elements at a fixed rate. The sum of the switching losses in the MOSFET switch and the energy losses of the storage elements makes up the total loss of the device.

The IWS2405 is suitable for a wide range of applications that require high efficiency, low input voltage, and high output power. Typical applications for the IWS2405 include seismic energy coupling, digital power management, and renewable energy systems. It is designed with superior features, like the two-stage topology, low standby current, internal protection circuitry, and fast transient response which makes it the perfect choice for the most demanding applications.

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