Fairchild Semiconductor's mWSaver™ Technology

Beat Energy Efficiency Regulations with Our Low Standby Power Solutions

mWSaver™ Technology combines our most energy efficient process and circuit technologies for power adapter design into this unique group of components, offering:

Industry's lowest standby/no-load power consumption per component
Ability to lower power dissipation for external components such as resistors, capacitors, inductors and rectifiers
Excellent efficiency ratings at full load
Ability to exceed all no-load regulatory requirements
Reduced BOM and lower overall system costs by eliminating the need for external protection components.
Interested in using mWSaver technology in your design? Contact us directly for development services and assistance in developing your products using mWSaver technology.

Products with mWSaver® Technology

FAN302HLMY_F117: PSR PWM Controller
FAN302UL: PSR PWM Controller
FAN6755W: Integrated Green-Mode PWM Controller
FAN6756: Integrated Green-Mode PWM Controller
FSB117H: 2A/700V 100kHz Power Switch 3
FSB127H: 2A/700V 100kHz Power Switch 3
FSB147H: 2A/700V 100kHz Power Switch 3

Dual Switch Flyback Solution:

FAN6920MR: PFC/PWM Controller
FAN6204: Secondary-Side SR Controller
FAN7382: Half Bridge Gate Driver

Applications

Flyback power supplies that demand extremely low standby power, including:

Adapters for notebook, printers, game consoles
Open-frame SMPS for LCD TV, LCD monitors, printers, all-in-one computers
General adapters
SMPS for VCR, SVR, STB, DVD & DVCD player, scanner
Chargers for cellular phones, digital cameras, and power tools

Reference Designs

Application	Document Number	Featured Products	Output (Watts)	Topology
Cell Phone Charger	RD-350	FAN302HL	5	Primary-Side Regulated Flyback
Notebook Adapter	RD-FAN6756	FAN6756	65	Flyback Converter
SMPS	AN-FEBFSB127H_T001	FSB127HNY	16	Flyback
SMPS AIO PC Power	RD-351	FAN6920MR, FAN7382, FAN6204	90	Dual Switch Flyback
SMPS AIO PC Power	RD-352	FAN6920MR, FAN7382, FAN6204	120	Dual Switch Flyback
SMPS Notebook Adapter	RD-353	FAN6920MR, FAN7382, FAN6204	120	Dual Switch Flyback

Evaluation Boards

FEB Product ID	Topology	Application	Featured Product(s)	Additional Products	Output Power (W)	Output (V/A)	Input Voltage Range (V_AC)
FEBFAN6754WAMR_CP450v1	Flyback / with Synchronous Rectifier	Notebook Adapter	FAN6754WAMR FAN6204MY	FDP083N15A_F102 FQP8N60C	65	19/3.42	90-264 Vac
FEBFAN6756MR_T03U065A	Flyback	LCD Monitor, LCD TV, Notebook PC	FAN6756MRMY	FQPF7N65C	65	19/3.42	90-264 Vac
FEBFAN6920MR_T02U120A	Dual Switch Flyback, PFC Boost	NB Adapter	FAN6920MRMY FAN7382MX FAN6204MY	FDP032N08 FCP16N60	120	1 9/6.31	90-264 Vac
FEBFSB127H_T001	Flyback & Forward	PC Pwr Stdby	FSB127HNY		16	5/3.2	90-264 Vac

White Papers

Title	Product	Description
Deep Burst Mode Operation for Reducing Standby Power Consumption without Additional Circuitry	FAN6756	Deep burst mode, one of the power innovations of mWSaver™ technology, is a feedback-control mechanism that reduces standby power consumption in the feedback circuit and switching process by modulating internal parameters of the PWM controller. With this method, the conventional flyback converter topology can be used without additional circuitry.
Dual-Switch Quasi-Resonant Flyback Converter	FAN6920MR, FAN7382, FAN6204	A cost effective and reliable alternative to the LLC resonant converter for energy efficiency regulations.
Minimizing Power Losses in the EMI Filter Stage	FSB127H	Innovative technology that minimizes power losses in the EMI filter stage by eliminating the X-cap discharge resistors, while still meeting UL1950 safety requirements.

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