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MB3881PFF

更新时间： 2024-11-06 22:10:15
品牌 Logo 应用领域
富士通 - FUJITSU 转换器开关
页数 文件大小 规格书
40页 488K
描述
8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

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中文翻译

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MB3881PFF 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：QFP包装说明：LFQFP,
针数：64Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.85Is Samacsys：N
其他特性：ALSO NEEDS A SUPPLY OF 1.8V TO 13V FOR CH8模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制技术：PULSE WIDTH MODULATION最大输入电压：13 V
最小输入电压：4 V标称输入电压：9 V
JESD-30 代码：S-PQFP-G64JESD-609代码：e0
长度：7 mm功能数量：8
端子数量：64最高工作温度：85 °C
最低工作温度：-30 °C最大输出电流：0.2 A
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.7 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：800 kHz
温度等级：OTHER端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.4 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7 mmBase Number Matches：1

MB3881PFF 数据手册

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FUJITSU SEMICONDUCTOR  
DATA SHEET  
DS04-27224-1E  
ASSP For Power Management Applications  
-ch DC/DC Converter IC with Synchronous  
8
Rectifier for Voltage Step-up and Step-down  
MB3881  
■ DESCRIPTION  
The MB3881 a step-up/step-down type of 8-channel, DC/DC converter IC. It uses pulse width modulation (PWM)  
and synchronous rectification, designed for low voltage, high efficiency, and compactness. This IC is ideal for  
down conversion and up/down conversion (employing a step-up/step-down Zeta system enabling free I/O setting).  
The MB3881 can use channel 8 as its own power supply to provide a wide range of supply voltages, allowing  
itself to operate at low voltage.  
In addition, the MB3881 contains a triangular wave oscillator which can operate in synchronization with an external  
device, allowing the switching timing to be controlled externally. This contributes to reduction in switching noise,  
facilitating system configuration.  
The MB3881 is designed to be compact using the LQFP-64P package whose body size is 7 × 7 mm.  
The IC is the best for the power supply for advanced portable equipment such as a camera integrated VTR.  
■ FEATURES  
• Supporting the step-up/step-down Zeta methods (CH1 to CH7)  
• Supporting synchronous rectification (CH1, CH2)  
• Low start-up voltage : 1.8 V (CH8)  
• Power-supply voltage range : 4 V to 13 V (CH1 to CH7)  
• Built-in high-precision reference voltage generator : 2.5 V ± 1%  
• Oscillation frequency range : 100 kHz to 800 kHz  
• Built-in triangular wave oscillator capable of external synchronization  
• Error amplifier output for soft start (CH1 to CH4, CH7)  
■ PACKAGE  
64-pin plastic LQFP  
(FPT-64P-M16)  
1234567...40

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