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MAX5974A Current-Mode PWM Controllers

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Description

www.DataSheet4U.com 19-5331; Rev 0; 6/10 Active-Clamped, Spread-Spectrum, Current-Mode PWM Controllers General .
The MAX5974_ provide control for wide-input-voltage, active-clamped, current-mode PWM, forward converters in Power-over-Ethernet (PoE) powered device.

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Features

* to enhance supply efficiency. The AUX driver recycles magnetizing current instead of wasting it in a dissipative clamp circuit. Programmable dead time between the AUX and main driver allows for zero-voltage switching (ZVS). Under lightload conditions, the devices reduce the switching frequency (freq

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