標題: SL2284Q同步降壓大電流5A恒壓IC [打印本頁] 作者: 森利威爾電子 時間: 2021-5-13 13:39 標題: SL2284Q同步降壓大電流5A恒壓IC GENERAL DESCRIPTION
SL2284Q is a wide input voltage, high efficiency activeCC step-down DC/DC converter that operates in eitherCV (Constant Output Voltage) mode or CC (ConstantOutput Current) mode. SL 2284Q provides up to total3.5A output current limit at 5V output with floating ISETpin. Switching frequency can be set by external resistor.Maximum 100% duty cycle could be obtained.SL2284Q internal integrate 45mΩ high side and 25mΩlow side power MOSFET.Advanced production features include UVLO, ThermalShutdown, Soft Start and input OVP. FEATURES
⚫ P-MOS+N-MOS Switch Structure
⚫ Wide Input Voltage: 4.5V to 40V
⚫ Up to 3.5A Output Current Limit at 5V Output
⚫ Constant Output Power for QC3.0
⚫ High Efficiency up to 93%@24V to 5V/3A
⚫ PFM Operation in Light Load Condition
⚫ 120kHz to 440kHz Adjustable Frequency
⚫ Internal Compensation
⚫ Output Line Drop Compensation
⚫ Hiccup Output Short Current Protection
⚫ ±2% Feedback Voltage Accuracy
⚫ Integrated Soft Start
⚫ Thermal Shutdown
⚫ Duty Cycle up to 100%
⚫ Frequency Jitter for EMI Consideration
⚫ Low BOM Cost
⚫ SOP8 Package APPLICATIONS
⚫ Car Charger/ Adaptor
⚫ Rechargeable Portable Devices
⚫ General-Purpose CC/CV Power Suppliers TYPICAL APPILCATION
