MT3124NQER是一款3.5A的高效恒定导通时间控制同步降压转换器。由于其100%的占空比操作,它的输入电压从2.5V到6V,输出范围从0.6V到输入电平。其先进的恒定导通时间控制快速PWM方案简化了环路补偿,并在保持相对恒定的1.2MHz开关频率的同时提供了出色的负载瞬态响应。
MT3124NQER消耗极低的15µA静态电流,因此实现了卓越的轻负载效率。控制回路中的高增益误差放大器提供了出色的负载和线路调节。对于容错操作,MT3124具有逐周期限流保护和短路或过载条件下的打嗝模式。MT3124采用QFN2x2mm封装,是高性能便携式应用的理想选择。
MT3124NQER FEATURES:
-Wide Input Range from 2.5V to 6V
-High Efficiency up to 97%
-Output Voltage as low as 0.6V
-100%Duty Cycle Operation
-+/-1.5%0.6V Feedback Voltage Accuracy
-1.2MHz Pseudo Constant Switching Frequency
-15µA Quiescent Current
-Continuous Output Current up to 3.5A
-Built-in 46mΩHS and 38mΩLS Power Switches
-Cycle-by-Cycle Current Limit Protection
-Hiccup Mode for Short Circuit and Over-Load Protection
-Open Drain Power Good Indication with Internal Pullup Resistor
-Thermal Shutdown Protection
-Stable with low ESR ceramic Output Capacitors
-Available in Small QFN2x2mm_12L Package
-Pb-Free RoHS Compliant
MT3124NQER APPLICATIONS:
-Solid-State and Hard Disk Drives
-Portable/Handheld Devices
-WiFi Module,Set-top Boxes
-DC/DC Micro Modules