RT8857 查看數據表（PDF） - Richtek Technology

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产品描述 (功能)

生产厂家

RT8857

4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power Supply

Richtek Technology 

RT8857/A

VID4

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

VID3

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

VID2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

Pin Name

VID1

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

VID0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

VID5

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

VID6

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

Nominal Output Voltage DACOUT

1.35625V

1.35000V

1.34375V

1.33750V

1.33125V

1.32500V

1.31875V

1.31250V

1.30625V

1.30000V

1.29375V

1.28750V

1.28125V

1.27500V

1.26875V

1.26250V

1.25625V

1.25000V

1.24375V

1.23750V

1.23125V

1.22500V

1.21875V

1.21250V

1.20625V

1.20000V

1.19375V

1.18750V

1.18125V

1.17500V

1.16875V

1.16250V

1,15625V

1.15000V

1.14375V

1.13750V

1.13125V

1.12500V

1.11875V

DS8857/A-01 April 2011

To be continued

www.richtek.com

7

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