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FSB127H データシート(PDF) 1 Page - Fairchild Semiconductor

部品番号 FSB127H
部品情報  mWSaver??Fairchild Power Switch (FPS??
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FSB127H データシート(HTML) 1 Page - Fairchild Semiconductor

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June 2013
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSB117H / FSB127H / FSB147H • Rev. 1.0.7
FSB117H / FSB127H / FSB147H
mWSaver™ Fairchild Power Switch (FPS™)
Features
mWSaver™ Technology
Achieve Low No-Load Power Consumption Less
than 40 mW at 230 VAC (EMI Filter Loss Included)
Meets 2013 ErP Standby Power Regulation (Less
than 0.5 W Consumption with 0.25 W 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
700 V High-Voltage JFET Startup Circuit to
Eliminate the Startup Resistor Loss
Highly Integrated with Rich Features
Internal Avalanche-Rugged 700 V SenseFET
Built-in 5 ms 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 700 V 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


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