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FAN50FC3MPX

更新时间： 2024-02-26 15:37:28
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 控制器
页数 文件大小 规格书
21页 518K
描述
8-Bit Programmable, 2- to 3-Phase FastvCore⑩ Buck Controller

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FAN50FC3MPX 技术参数

生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：32
Reach Compliance Code：unknown风险等级：5.69
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：14.4 V
最小输入电压：9.6 V标称输入电压：12 V
JESD-30 代码：S-XQCC-N32长度：5 mm
功能数量：1端子数量：32
最高工作温度：85 °C最低工作温度：
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
座面最大高度：0.8 mm表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：4500 kHz
温度等级：OTHER端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：5 mmBase Number Matches：1

FAN50FC3MPX 数据手册

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June 2007  
FAN50FC3 — 8-Bit Programmable, 2- to 3-Phase  
FastvCore™ Buck Controller  
Features  
Description  
The FAN50FC3 device is a multi-phase buck switching  
regulator controller optimized to convert a 12V input  
supply to the processor core voltage required by high-  
performance Intel® processors. It has an internal, 8-bit  
DAC that converts a digital voltage identification (VID)  
code sent from the processor, to set the output voltage  
between 0.5V and 1.6V in 6.25mV steps. It outputs  
PWM signals to external MOSFET drivers that drive the  
switching power MOSFETs. The switching frequency of  
the design is programmable by a single resistor value  
and the number of phases can be programmed to  
support 2- or 3-phase applications.  
ƒ
ƒ
ƒ
FastvCore™ nonlinear control for fast transient and  
to minimizes the number of output caps required  
Selectable 2- or 3-phase operation at up to  
1MHz per phase  
±7.7mV worst-case differential sensing error over  
temperature  
ƒ
ƒ
Active current balancing between output phases  
Power Good and Crowbar blanking supports  
on-the-fly VID code changes  
ƒ
ƒ
ƒ
0.5V to 1.6V output  
Usable for Intel® VR10 and VR11 designs  
The FAN50FC3 also includes programmable no-load  
offset and droop functions to adjust the output voltage  
as a function of the load current, as required by the  
Intel® specifications. The FAN50FC3 also provides an  
accurate and reliable short-circuit protection function  
with an adjustable over-current set point.  
Selectable VR10 extended (7-bit) and VR11 (8-bit)  
VID tables  
ƒ
ƒ
Programmable soft-start ramp  
Programmable short-circuit protection and latch-off  
delay  
FastvCore™ technology greatly improves the fast  
transient response required by today’s high-performance  
processors. This allows fewer output capacitors to be  
used in the application.  
Applications  
The FAN50FC3 is specified over the commercial  
temperature range of 0°C to +85°C and is available in a  
32-lead MLP package.  
ƒ
Desktop PC/Server processor power supplies for  
existing and next-generation Intel® processors  
ƒ
VRM modules  
Related Applications Notes  
ƒ
AN-6052 — Instructions for the Multi-Phase VR11  
MathCad® Design Tool  
Ordering Information  
Operating  
Temperature Range  
Part Number Pb-Free  
Package  
Packing Method  
32-Lead, Molded Leadless  
Package (MLP)  
FAN50FC3MPX  
Yes  
0 to 85°C  
Tape and Reel  
© 2007 Fairchild Semiconductor Corporation  
FAN50FC3 Rev. 1.0.0  
www.fairchildsemi.com  
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