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 current 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 Shutdown, Soft Start and input OVP.