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 

   25?A 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
优势替代
LMR14050 LMR14050.pdf

No.12113

FEATURES

输入电压范围:4V 至 40V

5A 持续输出电流

40?A 超低工作静态电流

90mΩ 高侧金属氧化物半导体场效应晶体(MOSFET)

最短导通时间:75ns

电流模式控制

可调节开关频率范围:200kHz 至 2.5MHz

? 与外部时钟频率同步

? 内部补偿方便使用

? 支持高占空比运行

? 精密使能引脚

? 关断电流:1?A

? 外部软启动

? 热保护、过压保护和短路保护

? 8 引脚 HSOIC PowerPAD? 封装






PIN CONFIGUTION
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