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FAN6555MX PDF预览

FAN6555MX

更新时间: 2024-02-20 01:03:05
品牌 Logo 应用领域
其他 - ETC 接口集成电路光电二极管控制器
页数 文件大小 规格书
12页 92K
描述
SMPS Controller

FAN6555MX 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
差分输出:NO接口集成电路类型:BUS TERMINATOR SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G16长度:9.9 mm
功能数量:1端子数量:16
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:1.75 mm
最大供电电压:4 V最小供电电压:2 V
标称供电电压:3.3 V表面贴装:YES
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:3.9 mm

FAN6555MX 数据手册

 浏览型号FAN6555MX的Datasheet PDF文件第2页浏览型号FAN6555MX的Datasheet PDF文件第3页浏览型号FAN6555MX的Datasheet PDF文件第4页浏览型号FAN6555MX的Datasheet PDF文件第5页浏览型号FAN6555MX的Datasheet PDF文件第6页浏览型号FAN6555MX的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN6 5 5 5  
2 A DDR Bu s Te rm in a t io n Re g u la t o r  
Features  
Description  
• Can source and sink up to 2A continous, 3A peak  
• No heatsink required  
• Integrated Power MOSFETs  
• Generates termination voltages for DDR SDRAM  
• VREF input available for external voltage divider  
• Separate voltages for VCCQ and PVDD  
• Buffered VREF output  
• VOUT of ±3% or less at 2A  
• Minimum external components  
• 16-pin SOIC package  
The FAN6555 switching regulator is designed to convert  
voltage supplies ranging from 2.3V to 4V into a desired out-  
put voltage or termination voltage for DDR SDRAM mem-  
ory. The FAN6555 can be implemented to produce regulated  
output voltages in two different modes. In the default mode,  
when the VREF pin is open, the FAN6555 output voltage is  
50% of the voltage applied to VCCQ. The FAN6555 can also  
be used to produce various user-defined voltages by forcing a  
voltage on the VREFIN pin. In this case, the output voltage  
follows the input VREFIN voltage. The switching regulator  
is capable of sourcing or sinking up to 2A of current while  
regulating an output VTT voltage to within 3% or less.  
Transient output currents of ±3A can also be accommodated.  
• -40°C to +85°C operating temperature range  
• Shutdown for standby or suspend mode operation  
• Thermal Shutdown 130ºC  
The FAN6555 can also be used in conjunction with series  
termination resisitors to provide an excellent voltage source  
for active termination schemes of high speed transmission  
lines as those seen in high speed memory buses and distrib-  
uted backplane designs.  
Block Diagram  
9
15  
16  
14  
1
12  
2
7
V
AV  
VREF  
V
SHDN  
PV  
PV  
DD2  
V
CCQ  
CC  
OUT  
DD  
DD1  
DD  
V
OUT  
OSCILLATOR/  
RAMP  
GENERATOR  
L1  
(V  
(V  
)
3
6
200kΩ  
Q
Q
S
R
+
V
L2  
V
BUFFER  
REF  
)
+
OUT  
VREF  
IN  
ERROR AMP  
11  
13  
RAMP  
COMPARATOR  
+
200kΩ  
AGND  
V
D
P
P
FB  
GND  
GND1  
GND2  
10  
8
4
5
REV. 1.1.2 1/9/02  

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