SC4808B-1 查看數據表（PDF） - Semtech Corporation

零件编号

产品描述 (功能)

生产厂家

SC4808B-1

High Performance Dual Ended PWM Controller

Semtech Corporation 

SC4808B-1

POWER MANAGEMENT

Application Information (Cont.)

iL

IL

ISens e

ICS

: Sm all Inductor current perturbation

: Inductor current

Slope Compensation generation from

Buffered Oscillator Ramp

: Sensed Mosfet current

D>50%

: Sum m ation of Isense and slope com pensation, at the CS pin of the SC4808.

Note: Below wave form s are not to scale.

IL

ISense

Buffered

Oscillator

Ramp

ICS

 2006 Semtech Corp.

16

www.semtech.com

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