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FAN1655M PDF预览

FAN1655M

更新时间: 2024-09-29 22:50:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器接口集成电路双倍数据速率
页数 文件大小 规格书
9页 513K
描述
3A DDR Bus Termination Regulator

FAN1655M 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:PLASTIC, MS-012AB, SOIC-14
针数:14Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.61其他特性:ALSO REQUIRES VDDQ SUPPLY 2V TO 3V
差分输出:NO接口集成电路类型:BUS TERMINATOR SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G14JESD-609代码:e3
长度:8.61 mm湿度敏感等级:1
功能数量:1端子数量:14
最高工作温度:125 °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
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压:3.6 V
最小供电电压:2.3 V标称供电电压:2.5 V
电源电压1-最大:3.6 V电源电压1-分钟:2.3 V
电源电压1-Nom:2.5 V表面贴装:YES
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

FAN1655M 数据手册

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www.fairchildsemi.com  
FAN1655  
3A DDR Bus Termination Regulator  
Features  
Description  
• Sinks and sources 2.1A continuous, 3A peak  
• 0 to +125°C operating temperature range  
• 5mA Buffered VREFOUT = VDDQ/2  
• Load regulation: VTT = VREFOUT ꢀ0mV  
• On-chip thermal limiting  
The FAN1655 is a low-cost bi-directional LDO specifically  
designed for terminating DDR memory bus. It can both sink  
and source up to 2.1A continuous, 3A peak, providing  
enough current for most DDR applications. Load regulation  
meets the JEDEC spec, VTT = VREFOUT ꢀ0mV.  
• Low Cost SO-1ꢀ, Power-Enhanced eTSSOP or  
8-pin 5x6mm MLP packages  
• Low-Current Shutdown Mode  
The FAN1655 includes a buffered reference voltage capable  
of supplying up to 5mA current. On-chip thermal limiting  
provides protection against a combination of power overload  
and ambient temperature that would create an excessive  
junction temperature. A shutdown input puts the FAN1655  
into a low power mode.  
• Output Short Circuit Protection  
Applications  
• DDR Terminator VTT supply  
The FAN1655 regulator is available in a power-enhanced  
eTSSOP™-16, standard SOIC-1ꢀ, and an 8-Lead MLP  
package.  
Block Diagram  
VDDQ  
200k  
VDD  
VDD  
VDD  
SHDN  
-
VREFOUT  
VREFIN  
+
VTTFORCE  
VTTFORCE  
+
-
200k  
VTTSENSE  
FAN1655  
VSS VSS  
VSS  
VSSQ  
REV. 1.1.4 3/24/04  

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