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FAN6520AIMX PDF预览

FAN6520AIMX

更新时间: 2024-01-08 09:17:54
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 开关光电二极管控制器
页数 文件大小 规格书
15页 580K
描述
Single Synchronous Buck PWM Controller

FAN6520AIMX 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:MS-012-AA, SOIC-8
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.19Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:4.5 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
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
封装等效代码:SOP8,.25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
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:340 kHz
温度等级:COMMERCIAL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

FAN6520AIMX 数据手册

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www.fairchildsemi.com  
FAN6520A  
Single Synchronous Buck PWM Controller  
Features  
General Description  
• Output Range 0.8V to VIN  
The FAN6ꢀ20A makes simple work out of implementing  
a complete control and protection scheme for a DC-DC  
stepdown conꢁerter.  
– 0.8V Internal Reference  
– ±±.ꢀ5 Oꢁer Line Voltage and Temperature  
• Driꢁes N-Channel MOSFETs  
• Simple Single-Loop Control Design  
Voltage-Mode PWM Control  
• Fast Transient Response  
– High-Bandwidth Error Amplifier  
– Full 05 to ±005 Duty Cycle  
• Lossless, Programmable Oꢁer-current Protection  
– Uses Upper MOSFET’s RDS(ON)  
• Small Conꢁerter Size  
Designed to driꢁe N-channel MOSFETs in a synchronous  
buck topology, the FAN6ꢀ20A integrates the control, output  
adjustment, monitoring and protection functions into a single  
8-lead package.  
The FAN6ꢀ20A is easy to use, employs a single feedback  
loop, and ꢁoltage-mode control with fast transient response.  
The output ꢁoltage can be precisely regulated to as low as  
0.8V, with a maximum tolerance of ±±.ꢀ5 oꢁer temperature  
and line ꢁoltage ꢁariations. A fixed frequency oscillator  
reduces design complexity, while balancing typical  
– 300kHz Fixed Frequency Oscillator  
– Internal Soft-Start  
– 8-Lead SOIC  
application cost. The error amplifier features a ±ꢀMHz gain-  
bandwidth product and an 8V/µs slew rate which enables  
high conꢁerter bandwidth for fast transient performance.  
The resulting PWM duty cycles range from 05 to ±005.  
Applications  
• Power Supplies for PC Subsystems and Peripherals  
• MCH, GTL, and AGP Supplies  
• Cable Modems, Set Top Boxes, and DSL Modems  
• DSP, Memory  
• Low-Voltage Distributed Power Supplies  
The IC monitors the drop across the upper MOSFET and  
inhibits PWM operation appropriately to protect against  
oꢁer-current conditions. This approach simplifies the  
implementation and improꢁes efficiency by eliminating  
the need for a current sense resistor.  
The FAN6ꢀ20A is rated for operation from 0° to +70°C with  
the FAN6ꢀ20AI rated from –40° to +8ꢀ°C.  
REV. 1.0.2 8/26/04  

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