Datasheet > VcoreCont> RT8857

RT8857

更新时间： 2024-02-25 12:37:39

品牌	Logo	应用领域
立锜 - RICHTEK		电压核心转换驱动控制器
页数	文件大小	规格书
26页	412K
描述
4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power Supply

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技术参数
数据手册

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RT8857 技术参数

Status：	Active	VID Table Support：	K8;K8_M2;VR10.x;VR11.1
Number of Phases：	4	Vcc (typ) (V)：	12
Vin (min) (V)：	10.8	Vin (max) (V)：	13.2
Accuracy (Vout>=1V) (+/- %)：	0.5	Freq (typ) (kHz)：	300
Built-in DAC Generator：	Yes	Number of MOSFET Drivers：	2
Features：	Adjustable Current Limit;Adjustable Frequency;Adjustable Soft-Start;Built-in Bootstrap Switch;Current Mode Control;Cycle-by-Cycle Current Limit;DCR Current Sense;Diode Emulation Mode;Droop Control;Enable Input;Fast Transient Response;OVP;Power Good;SCP;UVP	Package Type：	WQFN7x7-48

RT8857 数据手册

RT8857/A

Table 2. Output Voltage Program (VRD10.x + VID6)

Pin Name

Nominal Output Voltage DACOUT

VID4

VID3

VID2

VID1

VID0

VID5

VID6

1.60000V

1.59375V

1.58750V

1.58125V

1.57500V

1.56875V

1.56250V

1.55625V

1.55000V

1.54375V

1.53750V

1.53125V

1.52500V

1.51875V

1.51250V

1.50625V

1.50000V

1.49375V

1.48750V

1.48125V

1.47500V

1.46875V

1.46250V

1.45625V

1.45000V

1.44375V

1.43750V

1.43125V

1.42500V

1.41875V

1.41250V

1.40625V

1.40000V

1.39375V

1.38750V

1.38125V

1.37500V

1.36875V

1.36250V

To be continued

www.richtek.com

DS8857/A-01 April 2011

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