FSB117H datasheet(1/18 Pages) FAIRCHILD

No de pièce	FSB117H

Description	mWSaver??Fairchild Power Switch (FPS??

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Fabricant	FAIRCHILD [Fairchild Semiconductor]

Site Internet	http://www.fairchildsemi.com

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April 2012

www.fairchildsemi.com

FSB117H / FSB127H / FSB147H • Rev. 1.0.5

FSB117H / FSB127H / FSB147H

mWSaver™ Fairchild Power Switch (FPS™)

Features

mWSaver™ Technology

 Achieve Low No-Load Power Consumption Less

than 40mW at 230VAC (EMI Filter Loss Included)

 Meets 2013 ErP Standby Power Regulation (Less

than 0.5W Consumption with 0.25W Load) for ATX

Power and LCD TV Power

 Eliminate X-Cap Discharge Resistor Loss with

Ax-CAP™ Technology

 Linearly Decreased Switching Frequency at Light-

Load

Condition

and

Advanced

Burst

Mode

Operation at No-Load Condition

 700V High-Voltage JFET Startup Circuit to

Eliminate the Startup Resistor Loss

Highly Integrated with Rich Features

 Internal Avalanche-Rugged 700V SenseFET

 Built-in 5ms Soft-Start

 Peak-Current-Mode Control

 Cycle-by-Cycle Current Limiting

 Leading-Edge Blanking (LEB)

 Synchronized Slope Compensation

 Proprietary Asynchronous Jitter to Reduce EMI

Advanced Protection

 Internal Overload / Open-Loop Protection (OLP)

 VDD Under-Voltage Lockout (UVLO)

 VDD Over-Voltage Protection (OVP)

 Constant Power Limit (Full AC Input Range)

 Internal Auto Restart Circuit (OLP, VDD OVP, OTP)

 Internal OTP Sensor with Hysteresis

 Adjustable Peak Current Limit

Related Resources

 Evaluation Board: FEBFSB127H_T001

 Fairchild Power Supply WebDesigner — Flyback

Design & Simulation - In Minutes at No Expense

Description

The FSB-series is a next-generation, green-mode

Fairchild Power Switch (FPS™) incorporating Fairchild’s

innovative mWSaver™ technology, which dramatically

reduces standby and no-load power consumption,

enabling conformance to all worldwide Standby Mode

efficiency guidelines. It integrates an advanced current-

mode pulse width modulator (PWM) and an avalanche-

rugged 700V SenseFET in a single package, allowing

auxiliary power designs with higher standby energy

efficiency, reduced size, improved reliability, and lower

system cost than previous solutions.

Fairchild

Semiconductor’s

mWSaver™

technology

offers best-in-class minimum no-load and light-load

power consumption. An innovative Ax-CAP™ method,

one of the five proprietary mWSaver™ technologies,

minimizes losses in the EMI filter stage by eliminating

the X-cap discharge resistors while still meeting

IEC61010-1 safety requirement. mWSaver™ Green

Mode gradually decreases switching frequency as load

decreases to minimize switching losses.

A new proprietary asynchronous jitter decreases EMI

emission and built-in synchronized slope compensation

allows stable peak-current-mode control over a wide

range of input voltage. The proprietary internal line

compensation ensures constant output power limit over

entire universal line voltage range.

Requiring a minimum number of external components,

the FSB-series provides a basic platform that is well

suited for the cost-effective flyback converter design

with low standby power consumption.

Applications

General-purpose switched-mode power supplies and

flyback power converters, including:

 Auxiliary Power Supply for PC, Server, LCD TV,

and Game Console

 SMPS for VCR, SVR, STB, DVD, and DVCD

Player, Printer, Facsimile, and Scanner

 General Adapter

 LCD Monitor Power / Open-Frame SMPS

Numéro de pièce similaire - FSB117H

Fabricant	No de pièce	Fiches technique	Description
Fairchild Semiconductor	FSB117H	875Kb / 18P	mWSaver Fairchild Power Switch
	FSB117H	1Mb / 18P	mWSaver??Fairchild Power Switch (FPS??
	FSB117HNY	1Mb / 18P	mWSaver??Fairchild Power Switch (FPS??
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