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PWM controller saves space

Posted: 27 Jun 2011 ?? ?Print Version ?Bookmark and Share

Keywords:PWM? controller? standby power consumption?

Fairchild Semiconductor International Inc. has introduced the FAN6863, a highly-integrated PWM controller that claims to offer lower standby power and higher efficiency in a small package size.

Fairchild said the controller, packaged in a small form factor SSOT-6, is ideal for space constrained designs. Despite its small size, it functions similar to a device in a larger package, the company said.

It added that consumer electronics under 40W such as adapters, set top boxes, netbooks, and digital photo frames which normally require The controller minimizes standby power consumption by using a proprietary green-mode function that provides off-time modulation to continuously decrease the switching frequency under light-load conditions. Under zero-load conditions, the power supply enters burst-mode, which shuts off the PWM output.

Fairchild said the green-mode function allows the device to achieve excellent standby power at The device provides large gate driving capability C 400mA for up to 40W

applications, surge capability up to 7KV for higher reliability, as well as an integrated internal frequency hopping function which helps reduce EMI emissions with minimal line filters.

The controller is priced at $00.36 in 1,000 quantity pieces.





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