· P-MOS+N-MOS Switch Structure
· Wide Input Voltage: 4.3V to 36V
· Quiescent Current Iq=1mA Typical
· High Efficiency up to 93%@12VIN to 5V/3A
· 3.0A Output Current
· PFM in Light Load Condition
· 75kHz to 600kHz Adjustable Switching Frequency
· Internal Compensation
· Hiccup Output Short Current Protection
· 1.22V Feedback Voltage
· Integrated Soft Start
· Thermal Shutdown
· Duty Cycle up to 100%
· Low BOM Cost
· SOP8 Package
TMI3493 is a wide input voltage, high efficiency 3.0A synchronous rectified step-down converter. The TMI3493 operates at high efficiency over a wide output current load range. TMI3493 provides up to total 3A output current at 5V output. Switching frequency can be set by external resistor. Maximum 100% duty cycle could be obtained. TMI3493 internal integrate 78mΩ high side and 30mΩ low side power MOSFET.
Advanced production features include UVLO, Thermal Shutdown, Soft Start and input OVP.
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