原裝正品 B6287S 封裝SOT23-6 輸入電壓2V-24V 固定頻率電流模式升壓IC
 
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B6287S規(guī)格書，詳情咨詢，B6287S資料。
B6287S 是一款固定頻率，電流模式升壓變換器，高達(dá)1.2MHz的工作頻率使得外圍電感電容可以選擇更小的規(guī)格。內(nèi)置軟啟動(dòng)功能減小了啟動(dòng)沖擊電流。輕載時(shí)自動(dòng)切換至PFM模式。包含了輸入欠壓鎖定，電流限制以及過(guò)熱保護(hù)功能。小尺寸的封裝給PCB省下更多的空間。
- 集成0.8歐姆的高壓功率MOSFET
- 內(nèi)部4A的開關(guān)電流限制
- 2V-24V的輸入電壓,VFB:0.6V
-  1.2MHz 固定工作頻率
- 輸出電流2A   
- 內(nèi)部補(bǔ)償功能       
- 輸出電壓高達(dá)28V
- 輕負(fù)載條件下，能進(jìn)行自動(dòng)脈沖調(diào)制。
-  效率高達(dá)97% 
 應(yīng)用：  電池供電設(shè)備/ 機(jī)頂盒/ LCD偏置電源/ 無(wú)線產(chǎn)品及DSL調(diào)制調(diào)解器/ PCI網(wǎng)卡或插槽供電   DC-DC / AC-DC 電壓檢測(cè)  降壓    DC-DC  同步降壓  ESD電壓保護(hù)
B6287規(guī)格書，詳情咨詢，B6287資料。
GENERAL DEscriptION：
 The is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small,low power applications. The switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height.Internal soft-start results in small inrush current and extends battery life.
The features automatic shifting to pulse frequency modulation mode at light loads. The
includes under-voltage lockout, currentlimiting, and thermal overload protection to prevent damage in the event of an output overload. The is available in a small 6-pin SOT-23 package.
FEATURES：
- Integrated 80mΩ Power MOSFET
- 2V to 24V Input Voltage
- 1.2MHz Fixed Switching Frequency
- Internal 4A Switch Current Limit
- Adjustable Output Voltage
- Internal Compensation
- Up to 28V Output Voltage
- Automatic Pulse Frequency Modulation Mode at Light Loads
- up to 97% Efficiency
- Available in a 6-Pin SOT23-6 Package
APPLICATIONS：
- Battery-Powered Equipment
- Set-Top Boxed
- LCD Bais Supply
- DSL and Cable Modems and Routers
- Networking cards powered from PCI or PCI express slots

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