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NCP1402SN50T1 DC/DC Step-Up Converter 5V SOT-153/TSOP-5/SC59-5/SOT23-5 marking DAH FM Step-Up Micro power Switching Regulator
| 控制方式 MODE | PFM |
| 输入电压VIN Input Voltage | 0.8V ~ 5.5V |
| 输出电压VOUT Output Voltage | 5V |
| 输出电流IOUT Output Current | 200mA/0.2A |
| 震荡频率FOSC Oscillation Frequency | 200KHz |
| 内置FET Built-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 |
