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3.8V-40V Vin, 3.5A, High Efficiency Synchronous Step-down DCDC Converter with Programmable Frequency.
FEATURES

? Wide Input Range: 3.8V-40V

? Up to 3.5A Continuous Output Current 

? 0.8V ±1% Feedback Reference Voltage 

? Integrated 80m? High-Side and

   50mΩ Low-SidePower MOSFETs

? Pulse Skipping Mode (PSM) with 

   25μA QuiescentCurrent in Sleep Mode 

? 100ns Minimum On-time 

? 2ms Internal Soft-start Time

? Adjustable Frequency 100KHz to 2.2MHz

? External Clock Synchronization 

? Frequency Spread Spectrum (FSS)

   Modulation forEMI Reduction

? Precision Enable Threshold for Programmable

   Input Voltage Under-voltage Lock 

   Out Protection(UVLO) Threshold and Hysteresis

? Low Dropout Mode Operation 

? Derivable Inverting Voltage Regulator 

? Over-voltage and Over-Temperature Protection 

? Available in an ESOP-8 Package

PIN CONFIGUTION
優(yōu)勢(shì)替代
LMR14050 LMR14050.pdf

No.12113

FEATURES

輸入電壓范圍:4V 至 40V

5A 持續(xù)輸出電流

40μA 超低工作靜態(tài)電流

90mΩ 高側(cè)金屬氧化物半導(dǎo)體場(chǎng)效應(yīng)晶體(MOSFET)

最短導(dǎo)通時(shí)間:75ns

電流模式控制

可調(diào)節(jié)開關(guān)頻率范圍:200kHz 至 2.5MHz

? 與外部時(shí)鐘頻率同步

? 內(nèi)部補(bǔ)償方便使用

? 支持高占空比運(yùn)行

? 精密使能引腳

? 關(guān)斷電流:1μA

? 外部軟啟動(dòng)

? 熱保護(hù)、過壓保護(hù)和短路保護(hù)

? 8 引腳 HSOIC PowerPAD? 封裝






PIN CONFIGUTION
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