LTC1563-2CGN#PBF

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The LTC1563-2CGN#PBF is part of a family of high-performance, low-power voltage filters. The LTC1563-2CGN#PBF Active Filter series provides an economical and efficient way to filter noise that can interfere with the signals of ICs, particularly those sensitive to power supply noise.

The LTC1563-2CGN#PBF is a passive active filter. Its operating principle is based on the reactive components of the filter: capacitors and inductors. These components store and release energy as the filter frequency changes, thus changing the gain and phase response of the filter. This active filter works in two parts: a low-pass filter and a high-pass filter. The low-pass filter is responsible for blocking high frequency noise and the high-pass filter is responsible for transmitting low-frequency signals through the filter.

The LTC1563-2CGN#PBF is ideal for applications in PC system power supplies, medical imaging systems, server system power supplies, industrial power supplies, computers, cellphone chargers, and automotive applications. The active filter not only provides off-the-shelf 10 dB margin of power-supply-noise attenuation but also can be used in a variety of frequency settings to optimize performance.

The LTC1563-2CGN#PBF includes an integrated differential input current-sense amplifier to track the AC differential current at the input stage. This feature eliminates the need to measure the differential current input into the filter.

The LTC1563-2CGN#PBF offers several advantages, including adjustable transfer-function poles, a wide operating-bypass-band (0.01 Hz to 50 Hz), a 5 MHz accuracy in the bypass band, and fast transient response. Moreover, the device includes a simple, two-wire interface that allows users to adapt the filter frequency settings.

The LTC1563-2CGN#PBF active filter provides robust protection for system power converters, making it an ideal choice for PC system power supplies, medical imaging systems, server system power supplies, industrial power supplies, computers, cellphone chargers, and automotive applications.

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