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ISL6569 - Multi-Phase PWM Controller

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Part number ISL6569
Manufacturer Renesas
File Size 1.02 MB
Description Multi-Phase PWM Controller
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Full PDF Text Transcription

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ISL6569 Multi-Phase PWM Controller NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc DATASHEET FN9085 Rev 7.00 Dec 29, 2004 The ISL6569 provides core-voltage regulation by driving two interleaved synchronous-rectified buck-converter channels in parallel. Interleaving the channel timing results in increased ripple frequency which reduces input and output ripple currents. The reduction in ripple results in lower component cost, reduced dissipation, and a smaller implementation area. The ISL6569 uses cost and space-saving rDS(ON) sensing for channel current balance, active voltage positioning, and over-current protection. Output voltage is monitored by an internal differential remote sense amplifier.
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