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SC4808BIMSTRT Datasheet(PDF) 19 Page - Semtech Corporation

Part # SC4808BIMSTRT
Description  High Performance Dual Ended PWM Controller
PDF  31 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4808BIMSTRT Datasheet(HTML) 19 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC4808A/B
POWER MANAGEMENT
Slope Compensation generation from
Buffered Oscillator Ramp
I
L
: Inductor current
: Sm all Inductor current perturbation
I
L
D>50%
i
L
Note: Below wave forms are not to scale.
I
Sense
: Sensed Mosfet current
Buffered
Oscillator
Ramp
I
Sense
I
CS
: Summation of Isense and slope compensation, at the CS pin of the SC4808.
I
CS
Application Information (Cont.)



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