PT6937 DC/DC升压转换器电源管理IC 1.8~3.3V SOT-153/SOT23-5 marking/标记 PT6937 白光LED升压型转换器
| 控制方式MODE | |
| 输入电压VINInput Voltage | 4.5~5.5V |
| 输出电压VOUTOutput Voltage | 1.8~3.3V |
| 输出电流IOUTOutput Current | 10A，2.25A |
| 震荡频率FOSCOscillation Frequency | 1.2MHz |
| 内置FETBuilt-in FET | |
| Description & Applications | White LED Step-Up Converter • High efficiency: 85% • Drives up to four LEDs from a 3.3V supply • Drives up to ten LEDs from a 5V supply • Fast 1.2MHz switching frequency • Uses tiny 22µH inductors • Requires only 0.22µF output capacitor • Low profile SOT package • Cellular phones • PDAs, Handheld computers • Digital cameras • MP3 players • GPS receivers |
| 描述与应用 | 白光LED升压型转换器 •高效率：85％ •3.3V电源驱动多达四个LED •5V电源驱动多达10个LED •快速的1.2MHz开关频率 •用微小的22μH电感 •只需要0.22μF的输出电容 •低轮廓SOT封装 •手机 •掌上电脑，掌上电脑 •数码相机 •MP3播放器 •GPS接收机 |
| 规格书PDF |
