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FAN5056V90M PDF预览

FAN5056V90M

更新时间： 2024-02-12 20:08:46
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
19页 266K
描述
Switching Controller, Current/voltage-mode, 345kHz Switching Freq-Max, PDSO24, SOIC-24

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FAN5056V90M 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
Is Samacsys：N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：4.75 V
标称输入电压：5 VJESD-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 mmBase Number Matches：1

FAN5056V90M 数据手册

 浏览型号FAN5056V90M的Datasheet PDF文件第2页浏览型号FAN5056V90M的Datasheet PDF文件第3页浏览型号FAN5056V90M的Datasheet PDF文件第4页浏览型号FAN5056V90M的Datasheet PDF文件第5页浏览型号FAN5056V90M的Datasheet PDF文件第6页浏览型号FAN5056V90M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  
VID4  
3
16  
ENABLE/SS  
VID0VID2  
VID1 VID3 VID25mV  
GNDA  
Pentium is a registered trademark of Intel Corporation. Programmable Active Droop is a trademark of Fairchild Semiconductor.  
PRELIMINARY SPECIFICATION describes products that are not in full production at the time of printing. Specifications are  
based on design goals and limited characterization. In the process of final production release, specifications may change.  
Contact Fairchild Semiconductor for current information.  
REV. 0.8.0 1/31/01  
1234567...19

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