NCP1402SN33T1 DC/DC升压转换器电源管理IC 3.3V SOT-153/TSOP-5/SC59-5/SOT23-5 marking/标记 DAG PFM升压型微功率开关稳压器
控制方式MODE | PFM |
输入电压VINInput Voltage | 0.8 ~ 5.5V |
输出电压VOUTOutput Voltage | 3.3V |
输出电流IOUTOutput Current | 200mA/0.2A |
震荡频率FOSCOscillation Frequency | 200KHz |
内置FETBuilt-in FET | NMOS |
Description & Applications | 200 mA, PFM Step-Up Micro power Switching Regulator •Extremely Low Startup Voltage of 0.8 V •Operation Down to Less than 0.3 V •High Efficiency 85% (Vin = 2.0 V, VOUT = 3.0 V, 70 mA) •Low Operating Current of 30A (VOUT = 1.9 V) •Output Voltage Accuracy ± 2.5% •Low Converter Ripple with Typical 30 mV •Only Three External Components Are Required •Chip Enable Power Down Capability for Extended Battery Life •Micro Miniature Thin SOT-23-5 Packages •Pb-Free Packages are Available •Cellular Telephones •Pagers •Personal Digital Assistants (PDA) •Electronic Games •Portable Audio (MP3) •Camcorders •Digital Cameras •Handheld Instruments |
描述与应用 | 200毫安,PFM升压型微功率开关稳压器 •极低的启动电压为0.8 V •小于0.3 V下操作 •高效率85%(VIN =2.0 V,VOUT=3.0 V,70毫安) •低工作电流为30 A(VOUT=1.9 V) •输出电压精度为±2.5% •典型的30 mV的低转换纹波 •只有三个外部组件是必需 •芯片使能掉电功能,延长电池寿命 •微小型薄型SOT-23-5封装 •可用无铅包 •蜂窝电话 •寻呼机 个人数字助理(PDA) •电子游戏 •便携式音频(MP3) •摄像机 •数码相机 •手持式仪器 |
规格书PDF |