Fairchild Semiconductor Offers Broadest Selection of PSR PWM Controllers

Posted By : ES Admin
Fairchild Semiconductor Offers Broadest Selection of PSR PWM Controllers
Fairchild Semiconductor’s industry-leading portfolio of primary side regulation (PSR) PWM controllers offers designers of mobile chargers, adapters and LED lighting applications multiple solutions to meet the stringent power and regulatory specifications such as ENERGY STAR Level V.
In charger and adapter applications, designers have been challenged to lower standby power and achieve higher efficiency, all while reducing the form factor of their designs. Currently in these applications, RCC or other IC solutions are used with varying degrees of success. With the broadest portfolio of PSR PWM controllers in the industry, including the FSEZ1307 PSR controller with high voltage (HV) startup and an integrated MOSFET, Fairchild devices simplify designs, save board space and meet today’s demands for power savings.

Key features available in the Fairchild portfolio are 30mW standby power, HV start up and an integrated power MOSFET for ease of design, primary side regulation without secondary side feedback and a universal AC input range. Unlike competitive solutions, Fairchild’s PSR PWM controllers achieve constant voltage (CV) (±5%), constant current (CC) (±7%), 30mW standby power and ENERGY STAR Level V efficiency, all with a competitive bill of materials (BOM) cost and component count.

For LED lighting applications, Fairchild’s PSR PWM controllers achieve the most accurate CC through built-in, proprietary TRUECURRENT™ technology and tight CV without secondary-side feedback circuitry. Constant current allows the device to accommodate different numbers of LED units in a string, increasing design flexibility, stretching the lifetime of HB LEDs and reducing time-to-market.

Fairchild’s PSR PWM controller portfolio, including the FSEZ1307, FSEZ1317 and FAN103, enhance Fairchild’s extensive power offerings that enable efficient electronics and maximize energy savings in power-sensitive applications such as power adapters, power supplies, lighting applications, computers, industrial controls and home appliances.


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