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FAN5056MV90 PDF预览

FAN5056MV90

更新时间： 2024-11-21 19:55:15
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 开关光电二极管
页数 文件大小 规格书
18页 163K
描述
Switching Controller, Current/voltage-mode, 345kHz Switching Freq-Max, PDSO24, SOIC-24

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中文翻译

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FAN5056MV90 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.83
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT/VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.25 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G24长度：15.4 mm
功能数量：1端子数量：24
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：2.65 mm
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：345 kHz温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
Base Number Matches：1

FAN5056MV90 数据手册

 浏览型号FAN5056MV90的Datasheet PDF文件第2页浏览型号FAN5056MV90的Datasheet PDF文件第3页浏览型号FAN5056MV90的Datasheet PDF文件第4页浏览型号FAN5056MV90的Datasheet PDF文件第5页浏览型号FAN5056MV90的Datasheet PDF文件第6页浏览型号FAN5056MV90的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN5056V85/FAN5056V90  
High Performance Programmable Synchronous  
DC-DC Controller for Multi-Voltage Platforms  
Features  
Description  
• Output programmable in 25mV steps from 1.1V to 1.85V  
(90 version) or 1.05V to 1.825V (85 version) using a  
dynamically programmable integrated 5-bit DAC  
• Controls adjustable linears for Vclock (2.5V),  
Vnorthbridge (1.8V) or Vagp (selectable 1.5V/3.3V), and  
Vadj (1.2V nominal)  
• Remote sense  
• Programmable Active Droop™ up to 200mV  
• Drives N-Channel MOSFETs  
• Overcurrent protection using MOSFET sensing  
• Overvoltage protection including startup  
• 85% efficiency typical at full load  
• Integrated Power Good and Enable/Soft Start functions  
• Meets Intel VRM8.5 and VRM9.0 specifications using  
minimum number of external components  
• 24 pin SOIC package  
The FAN5056 is a synchronous mode DC-DC controller IC  
which provides a highly accurate, programmable set of output  
voltages for multi-voltage platforms such as the Intel Pentium IV,  
and provides a complete solution for all Intel VRM8.5 and  
VRM9.0 CPU applications, and for other high-performance  
processors. The FAN5056 features remote voltage sensing,  
independently adjustable current limit, and a proprietary wide-  
range Programmable Active Droop™ for optimal converter  
transient response and VRM8.5 compliance. The FAN5056  
uses a 5-bit D/A converter to dynamically program the output  
voltage during operation from 1.1V to 1.85V (FAN5056V90)  
or 1.05V to 1.825V (FAN5056V85) in 25mV steps. The  
FAN5056 uses a high level of integration to deliver load cur-  
rents in excess of 45A from a 5V source with minimal exter-  
nal circuitry. Synchronous-mode operation offers optimum  
efficiency over the entire specified output voltage range. An  
on-board precision low TC reference achieves 0.8% voltage  
regulation without expensive external components. The  
FAN5056 includes linear regulator controllers for Vclock  
(2.5V),Vnorthbridge (1.8V) or Vagp (selectable 1.5V/3.3V),  
and Vadjustable (1.2V nominal) each adjustable with an  
Applications  
• Power supply for Pentium® III Platforms  
• VRM for Pentium IV processor  
• Programmable multi-output power supply  
Block Diagram  
+3.3V  
+5V  
VCCA 21  
+1.2V/Adj  
19  
-
+
9
+
-
REF  
RD  
PWRGD,  
OCL  
10  
VCCP  
OCL  
11  
12  
+
-
REF  
+12V  
+5V  
PWRGD,  
OCL  
18  
20  
-
+
+2.5V  
RS  
OSC  
-
+
VCCP  
HIDRV  
24  
1
15  
14  
13  
Digital  
2
VCC  
Control  
-
+
V
-
+
23 LODRV  
PWRGD, OCL  
22  
3.3/1.5V  
GNDP  
1.24V  
Reference  
5-Bit  
DAC  
17  
Power  
Good  
PWRGD  
8 7 6 5 4  
3
16  
ENABLE/SS  
VID4/VID25mV  
VID0VID2  
GNDA  
VID1 VID3  
Pentium is a registered trademark of Intel Corporation. Programmable Active Droop is a trademark of Fairchild Semiconductor.  
REV. 1.0.2 3/28/01  
1234567...18

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