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SG6741

Fairchild Semiconductor
Part Number SG6741
Manufacturer Fairchild Semiconductor
Description Highly-Integrated Green-Mode PWM Controller
Published Jan 13, 2010
Detailed Description Product Specification Highly-Integrated Green-Mode PWM Controller SG6741 linearly decrease the switching frequency at l...
Datasheet PDF File SG6741 PDF File

SG6741
SG6741

Overview
Product Specification Highly-Integrated Green-Mode PWM Controller SG6741 linearly decrease the switching frequency at light-load conditions.
To avoid acoustic-noise problems, the minimum PWM frequency is set above 22KHz.
This green-mode function enables the power supply to meet international power conservation requirements.
With the internal high-voltage start-up circuitry, the power loss due to bleeding resistors is also eliminated.
To further reduce power consumption, SG6741 is manufactured using the BiCMOS process, which allows operating current as low as 4mA.
SG6741 integrates a frequency-hopping function that helps reduce EMI emission of a power supply with minimum line filters.
Its bu...


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