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TK11840L DC/DC Step-Up Converter 1.2V SOT23L-8 marking D40 STEP-UP Switching Regulator
| 控制方式 MODE | |
| 输入电压VIN Input Voltage | 10V |
| 输出电压VOUT Output Voltage | 1.2V |
| 输出电流IOUT Output Current | |
| 震荡频率FOSC Oscillation Frequency | 1000KHz |
| 内置FET Built-in FET | |
| Description & Applications | PWM switching regulator controller IC •Operation from 1.8V to 10V supply. •Adjustable output voltage. •High speed adjustable OSC. (Up to 1MHz) •Incorporates a soft start circuit. •Incorporates a short circuit detection of a timer-latch. •Totem-pole type output in which current is adjustable • using an external resistor.(Pin 4) •1mA or less shutdown current. •Low component count. •Small 8 Pin SOT23L-8 package. •White LED Backlighing and Frontlighting. •Step-up DC-DC Converters • Mobile Communication Systems: •Cellular Phone,PHS,DSC,PDA •Computer Peripherals Equipment •Battery Powered System •Portable Equipmen |
| 描述与应用 | PWM开关稳压器控制器IC •可调输出电压从1.8V至10V电源操作。 •高速可调OSC（高达1MHz）。 •集成了软启动电路。 •采用短路检测定时器，闩锁。 •图腾柱类型输出电流是可调的 •使用一个外部电阻（引脚4） 小于1mA或关断电流。 •低元件数量。 •小8引脚SOT23L-8封装。 •白光LED Backlighing的前光。 •升压型DC-DC转换器 •移动通信系统： •移动电话，小灵通，数码相机，PDA •计算机外围设备 •电池供电系统 •便携式设备与 |
