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Fairchild Semiconductor - (FSFM260N / FSFM300N) 30W FPS

Numéro de référence FSFM260N
Description (FSFM260N / FSFM300N) 30W FPS
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSFM260N fiche technique
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FSFM260N / FSFM300N
Green-Mode Fairchild Power Switch (FPS™)
April 2009
Features
! Internal Avalanche-Rugged SenseFET
! Advanced Burst-Mode Operation Consumes Under
1W at 240VAC and 0.5W Load
! Precision Fixed Operating Frequency: 67kHz
! Internal Startup Circuit
! Over-Voltage Protection (OVP)
! Overload Protection (OLP)
! Internal Thermal Shutdown Function (TSD)
! Abnormal Over-Current Protection (AOCP)
! Auto-Restart Mode
! Under-Voltage Lockout (UVLO) with Hysteresis
! Low Operating Current: 2.5mA
! Built-in Soft-Start: 15ms
Applications
! Power Supply for LCD TV and Monitor, VCR, SVR,
STB, DVD, and DVD Recorder
! Adapter
Description
The FSFM260/300 is an integrated Pulse Width
Modulator (PWM) and SenseFET specifically designed
for high-performance offline Switch Mode Power
Supplies (SMPS) with minimal external components.
This device is an integrated high-voltage power-
switching regulator that combines an avalanche-rugged
SenseFET with a current-mode PWM control block. The
PWM controller includes an integrated fixed-frequency
oscillator, under-voltage lockout, leading-edge blanking
(LEB), optimized gate driver, internal soft-start,
temperature-compensated precise-current sources for a
loop compensation, and self-protection circuitry.
Compared with discrete MOSFET and PWM controller
solutions, it can reduce total cost, component count, size,
and weight while simultaneously increasing efficiency,
productivity, and system reliability. This device is a basic
platform for cost-effective designs of flyback converters.
Related Resources
Visit: http://www.fairchildsemi.com/apnotes/ for:
! AN-4134: Design Guidelines for Offline Forward
Converters Using Fairchild Power Switch (FPS)
! AN-4137: Design Guidelines for Offline Flyback
Converters Using Fairchild Power Switch (FPS)
! AN-4140: Transformer Design Consideration for
Offline Flyback Converters Using Fairchild Power
Switch (FPS)
! AN-4141: Troubleshooting and Design Tips for
Fairchild Power Switch (FPS) Flyback Applications
! AN-4145: Electromagnetic Compatibility for Power
Converters
! AN-4147: Design Guidelines for RCD Snubber of
Flyback Converters
! AN-4148: Audible Noise Reduction Techniques for
Fairchild Power Switch (FPS™) Applications
© 2009 Fairchild Semiconductor Corporation
FSFM260N / FSFM300N Rev. 1.0.0
www.fairchildsemi.com

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