FS3182是一款固定频率，宽电压输入4.5-16V范围的电流模式降压变换器，最大输入电压能达到16V。输出有2.0A以上负载能力。内置软启动功能减小了启动冲击电流。FS3182在轻载时能自动切换到PFM控制模式，在轻载的情况下也能达到很好的效率！SOT23-6的小封装。内置过流，过压，过温保护。可以很好的应用在Notebook,TV Board，STB，网通， MID等产品上。
特性
1. 效率：高达96%
2. 600KHZ固定工作频率。
3. 输出2.0A负载
4. 4.5V到16V输入电压范围
5. 可调输出电压
6. 芯片内部补偿，简化外围元件总数
7. 自动PFM
8. 内部集成90mΩ/70 mΩ功率MOSFET
9. 0.6V的反馈电压
应用：
无线和DSL调制解调器
分布式电源系统
数字机顶盒
平板电视和显示器
18V2A Synchronous Buck Converter
1 Features Synchronous Buck Converter - Internal Power MOSFET - Wide 4.5V to 18V Input Voltage Range - Output Current：2A - 600KHZ frequency Operation - 0.6V Reference - Soft Start -Output Short With Hiccup Mode Multiple Protection - Input Over Voltage protection - Input Under Voltage protection - Output Over Voltage protection - Over Current protection With Hiccup - Over Temperature Protection 2 Applications · Distributed Power Systems · Digital Set Top Boxes · Flat Panel Television and Monitors · Notebook Computer · Wireless and DSL Modems Efficiency @ Vout=5V
1 BST Bootstrap. A capacitor connected between SW and BST pins is required to form a floating supply across the high-side switch driver 2 GND Ground 3 FB Output Voltage feedback input 4 EN Drive this pin to a logic‐high to enable the IC. Drive to a logic‐low to disable the IC and enter micro‐power shutdown mode 5 VIN Power Supply Pin 6 SW Switching Pin
