·High Efficiency: Up to 93%(@3.3V)
·800kHz Frequency Operation
·Up to 2.0A Output Current
·Low RDS(ON) for internal switches: 90mΩ/45mΩ(top/bottom)
·4.5V to 18V Input Voltage Range
·0.6V Reference
·Current mode COT control to achieve fast transient responses
·Integrated internal compensation
·Stable with Low ESR Ceramic Output Capacitors
·Over Current Protection with Hiccup Mode
·Thermal Shutdown
·Inrush Current Limit and Soft Start
·Available in SOT563 Package
The TMI3267 is a high efficiency 800kHz current mode constant on-time (CM-COT) control mode synchronous step-down DC-DC converter capable of delivering 2A current. TMI3267 integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 800kHz switching frequency. It adopts the CM-COT architecture to achieve fast transient responses for high voltage step down applications. The TMI3267 requires a minimum number of readily available standard external components and is available in a space saving 6-pin SOT563 ROHS compliant package.
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