LFA100F-12-SR2

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AC DC Converters

The LFA100F-12-SR2 AC-DC converter is a highly efficient, low power factor, wide-input range AC DC converter that widely used in industrial, medical, and electronic control applications. It is designed to convert input AC mains voltage to 12V DC output voltage. The device is equipped with very low ripple and noise, enabling it to offer high levels of power conversion efficiency.

The device’s operating principle is based on a synchronous rectification DC-DC converter design. The device operates by using switches such as MOSFETs or IGBTs to convert the AC input voltage to several DC output voltages. The switching frequency is determined by the MOSFETs and is based on the control signals from the supervisor IC. The synchronous rectification regulates the converter to maintain an output voltage within a specific range.

The LFA100F-12-SR2 converter is designed to operate with an input voltage range from 85V AC to 265V AC. It requires two voltage inputs, one for each of its two channels. Output voltage is regulated; the device can provide reliable, near-constant output load at up to 1200W of power. The device offers excellent load and line regulation performance, with a maximum line-regulation rate of 0.2%. The peak efficiency of the device is 97%.

The LFA100F-12-SR2 also offers a wide selection of additional features and protections. It has power-good indicator, current shutdown, overvoltage protection, and short circuit protection. The device is also equipped with thermal shutdown and over-temperature protection. Additionally, the device also provides maximum power detection, voltage sequencing, and internal power output limiting.

The LFA100F-12-SR2 is a highly efficient, low power factor, wide-input range AC DC converter ideal for industrial, medical, and electronic control applications. It employs a synchronous rectification to convert AC input voltage into several DC output voltages. It offers outstanding output load performance with maximum efficiency of 97%, exemplified by very low ripple and noise, excellent load and line regulation. The device comes equipped with a range of additional features and protections, including power-good indicator, current shutdown, and over-temperature protection.

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