·P-MOS+N-MOS Switch Structure
·Wide Input Voltage: 4.5V to 30V
·High Efficiency up to 92%@12V to 5V/3.4A
·Up 🉐to 🦹3.7A Output Current Limit at 5V Output
·PFM mode in Light Load Condition
·Internal Compensation
·Output Line Drop Compensation
·Hiccup Output Short Current Protection
·±2% Output Voltage Accuracy
·Integrated Soft Start
·Thermal Shutdown
·Duty Cycle up to 100%
·Frequency Jitter for EMI Consideration
·Low BOM Cost
·SOP8 Package
TMI2243B is a wide input voltage, fixed 5V output voltage, high efficiency active CC step-down DC/DC converter that operates in either CV (Constant 5V Output Voltage) mode or CC (Constant Output Current) mode. TMI2243B provides up to typical 3.7A output curren☂t limit at 5V output. Maximum 100% duty cycle could be obtained. TMI2243B internal integrate 75mΩ high side and 40mΩ low side power MOSFET.
Advanced production features include UVLO, Thermal S𒁃hutdown, Soft Start an💧d input OVP.