品牌:SHOUDING
起订:1个
供应:500000个
发货:1天内
信息标签:首鼎半导体代理商 丝印B6286Z, B6286Y 升压IC,供应,电子、电工,电子元器件及组件
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是一款固定频率,电流模式升压变换器,高达1.2MHz的工作频率使得外围电感电容可以选择更小的规格。内置软启动功能减小了启动冲击电流。轻载时自动切换至PFM模式。包含了输入欠压锁定,电流限制以及过热保护功能。小尺寸的封装给PCB省下更多的空间。 ● 集成0.8欧姆的高压功率MOSFET ● 内部4A的开关电流限制 ● 2V-24V的输入电压,VFB:0.6V ● 1.2MHz 固定工作频率 ● 输出电流2A ● 内部补偿功能 ● 输出电压高达28V ● 轻负载条件下,能进行自动脉冲调制。 ● 效率高达97% 应用: 电池供电设备/ 机顶盒/ LCD偏置电源/ 无线产品及DSL调制调解器/ PCI网卡或插槽供电 DC-DC / AC-DC 电压检测 降压 DC-DC 同步降压 ESD电压保护 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 PCIor PCI express slots