MT3222NTCR是双1.5MHz、2.5A恒定导通时间(COT)控制的同步降压转换器。
MT3222NTCR消耗极低的38µA静态电流,因此实现了卓越的轻负载效率。2.5V至6V的输入电源范围使这些部件非常适合单锂离子应用。100%的占空比能力提供了低损耗操作,延长了电池操作系统的操作时间。恒定导通时间控制方案简化了环路补偿,并提供了出色的负载瞬态响应。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。
专有的自适应导通时间有助于MT3222在连续导通负载范围内实现几乎恒定的开关频率。
MT3222NTCR具有逐周期电流限制和打嗝模式,以保护过载或短路故障情况。MT3222采用8引脚TSOT23封装。
MT3222NTCR FEATURES:
-Dual Outputs operating independently with
2x2.5A Output Current Capability
-Wide Input Range from 2.5V to 6V
-Adjustable Output Voltages from 0.6V to VIN
-Up to 95%High Efficiency
-Proprietary Fast Transient Constant On Time Architecture Stable with low ESR Ceramic Output Capacitors
-1.5%0.6V Feedback Voltage
-1.5MHz Switching Frequency
-38µA Low Quiescent Current
-100%Duty Cycle Operation
-RDSON 65mΩHS/35mΩLS VIN=5V
-Internal 1.5msec Soft-Start
-Cycle-by-cycle Current Limit Protection
-Over-Load and Short Circuit Hiccup Mode
-Output Discharging in Shutdown
-Thermal Shutdown Protection
-Available in a TSOT23_8L Package
-Pb-Free RoHS Compliant
MT3222NTCR APPLICATIONS:
-Solid-State and Hard Disk Drives
-USB TypeC Dock Station
-Smart Phone and Tablets
-WiFi RF Moudules