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Parameters:

  • Model:NCP1550SN33T1
  • Manufacturer:HUABAN
  • Date Code:04+
  • Standard Package:3000
  • Min Order:10
  • Mark/silk print/code/type:DCD
  • Package:SOT-153/TSOP-5/SOT23-5

控制方式
MODE
PWM/PFM
输入电压VIN
Input Voltage
2.45~5.5V
输出电压VOUT
Output Voltage
3.3V
输出电流IOUT
Output Current
震荡频率FOSC
Oscillation Frequency
600KHZ
内置FET
Built-in FET
Description & Applications600 kHz PWM/PFM Step−Down DC−DC Controller • High Efficiency 92%, Typical • Low Quiescent Bias Current of 50 A (Typical at PFM Mode with No Load) • Output Voltage Options from 1.8 V to 3.3 V with High Accuracy 2.0% • Low Output Voltage Ripple, 50 mV, Typical • PWM Switching Frequency at 600 kHz • Automatic PWM/PFM Switchover at Light Load Condition • Very Low Dropout Operation, 100% Max. Duty Cycle • Chip Enable Pin with On−Chip 150 nA Pullup Current Source • Low Shutdown Current, 0.3 A, Typical • Input Voltage Range from 2.45 V to 5.5 V • Built−in Soft−Start • Internal Undervoltage Lockout (UVLO) Protection • Low Profile and Minimum External Components • Micro Miniature TSOP−5 Package • Pb−Free Packages are Available • Personal Digital Assistant (PDA) • Camcorders and Digital Still Camera • Hand−Held Instrument • Distributed Power System • Computer Peripheral
描述与应用600 kHz的PWM/ PFM降压型DC-DC控制器 •高效率92%,典型 •低静态电流偏置电流为50? (典型值在PFM模式下无负载) •从1.8 V至3.3 V的输出电压选项 高精度2.0% •低输出电压纹波,50 mV的典型 •PWM开关频率在600千赫 •PWM / PFM自动切换在轻负载条件 •非常低压差操作,最大100%。占空比 •芯片使能引脚片150 nA的上拉电流源 •低关断电流,0.3 A,典型? •输入电压范围从2.45 V至5.5 V •内置软启动 •内部欠压锁定(UVLO)保护 •低调,最少的外部元件 •微小型TSOP-5封装 •无铅包可用 •个人数字助理(PDA) •摄像机和数码相机 •手持式仪器 •分布式电源系统 •电脑周边设备

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ERIC ELECTRONICS TECHNOLOGY (HK) LIMITED
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NCP1550SN33T1
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