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 80mΩ High-Side and

   50mΩ Low-Side Power MOSFETs

 Pulse Skipping Mode (PSM) with 

   25µA Quiescent Current 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 for EMI 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
CROSS
LMR14050 LMR14050.pdf

No.12113

FEATURES

• 输入电压范围:4V 至 40V

• 5A 持续输出电流

• 40µA 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:1µA

• 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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