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News Release from: Fairchild Semiconductor
Subject: FS6S series
Edited by the Electronicstalk Editorial Team on 6 July 2001

Power switches cut losses in CRT designs

New from Fairchild Semiconductor is the FS6S series of highly integrated SMPS (switched-mode power supply) power switches for CRT monitor flyback power supplies.

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New from Fairchild Semiconductor is the FS6S series of highly integrated SMPS (switched-mode power supply) power switches for CRT monitor flyback power supplies. The FS6S series offers burst-mode operation for DPMS (display power management signalling) to minimise power consumption by reducing switching loss. This family of power switches integrates a PWM controller with operating frequency up to 150kHz and a built-in current-sensing mosfet, minimising external components, simplifying design, and lowering cost.

The FS6S family provides internal protection including overvoltage protection, overload protection, thermal shutdown protection and overcurrent protection.

To remove the screen noise generated by the switch action, the FS6S series turns on its internal mosfet synchronously with the external sync signal.

Additional features include a built-in auto-restart circuit.

The internal high-voltage sense mosfet offers a 650V minimum.

FS6S devices are housed in space saving TO-220 and TO-3P packages and operate over the extended -25 to +85C temperature range.

A pre-assembled evaluation board is available.

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