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MIC3809YMM-TR

更新时间： 2024-11-28 21:11:55
品牌 Logo 应用领域
美国微芯 - MICROCHIP 信息通信管理开关光电二极管
页数 文件大小 规格书
11页 145K
描述
1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO8

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中文翻译

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MIC3809YMM-TR 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：TSSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：7 weeks风险等级：5.69
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：13 V最小输入电压：4.2 V
标称输入电压：10 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e4长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：1000 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：NICKEL PALLADIUM GOLD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3 mm
Base Number Matches：1

MIC3809YMM-TR 数据手册

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MIC3808/3809  
Push-Pull PWM Controller  
General Description  
Features  
The MIC3808 and MIC3809 are a family of complementary  
outputpush-pullPWMcontrolICsthatfeaturehighspeedand  
lowpowerconsumption.TheMIC3808/9areidealfortelecom  
level (36V to 75V) isolated step down dc/dc conversion  
applications where high output current, small size, and high  
efficiency are required.  
• Dual output drive stages in push-pull configuration  
• Leading edge current-sense blanking  
• 130µA typical start-up current  
• 1mA typical run current  
• Operation to 1MHz  
• Internal soft start  
• On-chip error amplifier with 4MHz gain bandwidth  
product  
The dual-ended push-pull architecture of the MIC3808/9  
allowsmoreefficientutilizationofthetransformerthansingle-  
ended topologies, allowing smaller size dc/dc solutions.  
Additionally, the out-of-phase push-pull topology allows a  
higher effective duty cycle, reducing input and output ripple  
as well as stress on the external components. The dead-time  
between the two outputs is adjustable between 60ns to  
200ns,limitingthedutycycleofeachoutputstagetolessthan  
50%.  
• On-chip V clamping  
DD  
• Output drive stages capable of 500mA peak source  
current, 1A peak sink current  
Applications  
• High efficiency “brick” power supply modules  
• Half bridge converters  
• Full bridge converters  
TheMIC3808/9arebuiltonalow-power,high-speedBiCMOS  
process. The 130µA start-up current and 1mA run-current  
reduce the size of the start-up circuitry and allow high  
efficiency even at light loads. The high-speed internal 4MHz  
error amplifier allows MIC3808/9 operation up to 1MHz.  
• Push-pull converters  
• Voltage-fed push-pull converters  
• Telecom equipment and power supplies  
• Networking power supplies  
• Industrial power supplies  
The MIC3808 has a turn-on threshold of 12.5V whereas the  
MIC3809 has a lower turn-on threshold of 4.3V. Both devices  
are available in SOP-8 and MSOP-8 package options with an  
operating range of –40°C to +85°C.  
• 42V automotive power supplies  
• Base stations  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Typical Application  
VOUT  
12V 100W  
VIN  
36V to 75V  
Start-Up  
Circuitry  
MIC3808  
RC  
VDD  
GND OUTA  
COMP OUTB  
FB  
CS  
Slope  
Comp  
Reference  
& Isolation  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
April 2005  
1
MIC3808/3809  
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MIC3809YMM-TR 替代型号

型号 品牌 替代类型 描述 数据表
MIC3809YMM MICROCHIP

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 1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO8

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