ICE3A2065I

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ICE3A2065I is a versatile AC to DC converter provided by International Rectifier, a well-known semiconductor manufacturer. It is a buck converter in its simplest form, providing a constant output voltage, while the input voltage profile varies between AC mains and load variations.

The ICE3A2065I is a high-frequency compatible offline switching buck converter which can be used in various applications in the field of PMIC - AC DC Converters, Offline Switchers. It provides an integrated high-voltage power conversion with a primary emphasis on high-performance and low cost. The system efficiency is also improved through its cost-effectiveness.

In terms of operating features, the ICE3A2065I comes equipped with a wide range of features. It offers a wide input voltage range (from 90 V AC to 400 V AC), high-switching frequency (from 0.4-1 MHz), and a low minimum input mains voltage of 90 V AC. It features soft-start, low voltage lock-out, over-voltage protection and includes an integrated current sense resistor. By integrating the current sense resistor, this converter can be used as a secondary regulator to achieve higher efficiency.

The working principle of ICE3A2065I follows the traditional buck topology. It integrates a power switch which is driven by an internal high-speed oscillator. When the power switch is off, the input voltage is applied across the inductor and stored in the magnetic field. When the power switch is on, the energy stored in the magnetic field is discharged in the output condenser. A diode rectifier isolates the output from the input, so as to ensure the constant voltage and current profiles.

For additional features, the ICE3A2065I also supports Inrush Current Limiting (ICL) which provides a soft-start feature and protects the system from over-current, while also improving the power factor. Furthermore, the short-circuit protection feature, called Integrated Over Current Protection (IOCP), provides improved system reliability. In addition, the ICE3A2065I supports a wide range of temperature conditions, with an operating temperature range of -40°C to 85°C.

In terms of performance, the ICE3A2065I can operate at high efficiency over a wide input and output voltage range. The maximum conversion efficiency is close to 91%, which makes it suitable for many commercial and industrial applications. The converter also requires very low external components, making it a cost-effective solution.

To sum up, the ICE3A2065I is a high-efficiency and high-performance AC to DC converter for PMIC – AC DC Converters, Offline Switchers applications. It features a wide range of features, including a wide input voltage range, high-switching frequency, soft-start, low voltage lock-out, and ICL and IOCP. Its efficiency is close to 91%, and it requires very low external components.

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