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NCP1450ASN33T1 DC/DC Step-Up Converter 3.3V SOT-153/TSOP-5/SC59-5/SOT23-5 marking DBCAM PWM Step-up DC-DC Controller
| 控制方式 MODE | PWM |
| 输入电压VIN Input Voltage | 0.6~ 5.5V |
| 输出电压VOUT Output Voltage | 3.3V |
| 输出电流IOUT Output Current | 52mA |
| 震荡频率FOSC Oscillation Frequency | 216KHz |
| 内置FET Built-in FET | |
| Description & Applications | PWM Step-up DC-DC Controller • High Efficiency 86% at IO = 200 mA, VIN = 2.0 V, VOUT = 3.0 V 88% at IO = 400 mA, VIN = 3.0 V, VOUT = 5.0 V • Low Start-up Voltage of 0.9 V typical at IO = 1.0 mA • Operation Down to 0.6 V • Low Conversion Ripple • High Output Current up to 1000 mA (3.0 V version at VIN = 2.0 V, L = 10 H, COUT = 220F) • Fixed Frequency Pulse Width Modulation (PWM) at 180 kHz • Chip Enable Pin with On-chip 150 nA Pull-up Current Source • Low Profile and Micro Miniature TSOP-5 Package • Personal Digital Assistant (PDA) • Electronic Games • Portable Audio (MP3) • Digital Still Cameras • Handheld Instruments |
| 描述与应用 | PWM升压型DC-DC控制器 •高效率86％，在IO=200 mA时，VIN=2.0 V，VOUT=3.0 V 88％,在IO= 400 mA时，VIN=3.0V，VOUT=5.0 V •在IO= 1.0毫安下，低启动电压为0.9 V •工作电压可低至0.6 V •低转换波纹 •高输出电流高达1000毫安 （3.0 V版本VIN= 2.0 V，L=10·H，COUT= 220F） •在180 kHz固定频率脉冲宽度调制（PWM） •150 nA的上拉电流源的芯片使能引脚 •薄微小型TSOP-5封装 •个人数字助理（PDA） •电子游戏 •便携式音频（MP3） •数码相机 •手持式仪器 |
