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MB39C007

更新时间： 2024-11-25 11:13:27
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
52页 846K
描述
2 ch DC/DC Converter IC Built-in Switching FET & voltage detection function, PFM/PWM Synchronous Rectification, and Down Conversion Support

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MB39C007 数据手册

 浏览型号MB39C007的Datasheet PDF文件第2页浏览型号MB39C007的Datasheet PDF文件第3页浏览型号MB39C007的Datasheet PDF文件第4页浏览型号MB39C007的Datasheet PDF文件第5页浏览型号MB39C007的Datasheet PDF文件第6页浏览型号MB39C007的Datasheet PDF文件第7页 
FUJITSU MICROELECTRONICS  
DATA SHEET  
DS04-27246-2E  
ASSP for Power Management Applications  
2 ch DC/DC Converter IC Built-in Switching FET &  
voltagedetectionfunction,PFM/PWMSynchronous  
Rectification, and Down Conversion Support  
MB39C007  
■ DESCRIPTION  
The MB39C007 is a current mode type 2-channel DC/DC converter IC built-in voltage detection, synchronous  
rectifier, and down conversion support. The device is integrated with a switching FET, oscillator, error amplifier,  
PFM/PWM control circuit, reference voltage source, and voltage detection circuit.  
External inductor and decoupling capacitor are needed only for the external component.  
MB39C007 is small, achieve a highly effective DC/DC converter in the full load range, this is suitable as the built-  
in power supply for handheld equipment such as mobile phone/PDA, DVDs, and HDDs.  
■ FEATURES  
• High efficiency  
• Low current consumption  
• Output current  
: 96% (Max)  
: 30 μA (At PFM/ch)  
: 800 mA/ch (Max)  
: 2.5 V to 5.5 V  
: 2.0 MHz (Typ)  
• Input voltage range  
• Operating frequency  
• Built-in PWM operation fixed function  
• No flyback diode needed  
• Low dropout operation  
• Built-in high-precision reference voltage generator : 1.30 V 2%  
• Consumption current in shutdown mode  
• Built-in switching FET  
: For 100% on duty  
: 1 μA or less  
: P-ch MOS 0.3 Ω (Typ) , N-ch MOS 0.2 Ω (Typ)  
• High speed for input and load transient response in the current mode  
• Over temperature protection  
• Packaged in a compact package  
: QFN-24  
■ APPLICATIONS  
• Flash ROMs  
• MP3 players  
• Electronic dictionary devices  
• Surveillance cameras  
• Portable GPS navigators  
• DVD drives  
• IP phones  
• Network hubs  
• Mobile phones  
etc.  
Copyright©2008-2009 FUJITSU MICROELECTRONICS LIMITED All rights reserved  
2009.9  
1234567...52

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