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FAN1581T-25 PDF预览

FAN1581T-25

更新时间: 2024-02-12 10:11:42
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
13页 85K
描述
Regulator, 1 Output, BIPolar,

FAN1581T-25 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:, SIP5,.1,67TBReach Compliance Code:unknown
风险等级:5.92可调性:FIXED
标称回动电压 1:1.05 V最大绝对输入电压:7 V
最大电网调整率:0.003%最大负载调整率:0.005%
输出次数:1端子数量:5
工作温度TJ-Max:125 °C工作温度TJ-Min:
最大输出电流 1:5 A标称输出电压 1:2.5 V
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP5,.1,67TB
认证状态:Not Qualified子类别:Other Regulators
表面贴装:NO技术:BIPOLAR
端子节距:1.7 mm端子位置:SINGLE
最大电压容差:2%Base Number Matches:1

FAN1581T-25 数据手册

 浏览型号FAN1581T-25的Datasheet PDF文件第2页浏览型号FAN1581T-25的Datasheet PDF文件第3页浏览型号FAN1581T-25的Datasheet PDF文件第4页浏览型号FAN1581T-25的Datasheet PDF文件第5页浏览型号FAN1581T-25的Datasheet PDF文件第6页浏览型号FAN1581T-25的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN1 5 8 1  
5 A Ad ju s t a b le /Fix e d Ult ra Lo w Dro p o u t  
Lin e a r Re g u la t o r  
Features  
Description  
• Ultra Low dropout voltage, 0.4V typical at 5A  
• 1.2V Versions available for GTL termination  
• Remote sense operation  
• Fast transient response  
• Load regulation: 0.05% typical  
• 0.5% typical initial accuracy  
The FAN1581, FAN1581-1.2, FAN1581-1.5, and FAN1581-  
2.5 are ultra-low dropout regulators with 5A output current  
capability. These devices have been optimized for low volt-  
age applications including VTT bus termination, where tran-  
sient response and minimum input voltage are critical. The  
FAN1581 is ideal for low voltage microprocessor applica-  
tions requiring a regulated output from 1.3V to 5.7V with a  
power input supply of 1.75V to 6.5V. The FAN1581-1.5  
offers fixed 1.5V with 5A current capabilities for GTL+ bus  
VTT termination. Additionally, the FAN1581-1.2 offers fixed  
1.2V output for CPU Bus termination. The FAN1581-2.5  
offers fixed 2.5V with 5A current capability for logic IC  
operation and processors while minimizing the overall power  
dissipation.  
• On-chip thermal limiting  
• TO-263, TO-252 and TO-220 packages  
Applications  
• Support of GTL+ bus supply  
• Low voltage logic supply  
• Embedded Processor supplies  
• Split plane regulator  
• 2.5V, and 1.8V Logic Families  
• DDR Termination Supply  
Current limit ensures controlled short-circuit current. On-chip  
thermal limiting provides protection against any combination  
of overload and ambient temperature that would create exces-  
sive junction temperatures.  
The FAN1581 series regulators are available in the 5-pin  
TO-263, TO-252 and TO-220 packages.  
Typical Applications  
VIN = 3.3V  
10µF  
VIN  
VSENSE  
+
+
FAN1581–2.5  
VOUT  
2.5V at 5A  
VIN = 3.3V  
VCNTL = 5V  
1µF  
VCNTL  
VIN  
VSENSE  
+
+
22µF  
GND  
10µF  
FAN1581  
VOUT  
2.1V at 5A  
VCNTL = 5V  
1µF  
VCNTL  
+
+
22µF  
Adj  
124Ω  
VIN = 5.75V  
10µF  
VIN  
VSENSE  
+
+
86.6Ω  
FAN1581  
VOUT  
5V at 5A  
VCNTL = 12V  
1µF  
VCNTL  
+
22µF  
Adj  
124Ω  
374Ω  
VIN = 3.3V  
10µF  
VIN  
VSENSE  
+
FAN1581-1.2  
VOUT  
1.2V at 5A  
VCNTL = 5V  
1µF  
VCNTL  
+
Gnd  
22µF  
Pentium is a registered trademark of Intel Corporation. PowerPC is a trademark of IBM Corporation.  
REV. 1.2.0 11/6/03  

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