140mΩ/70mΩ Low RDS(ON) internal FETs
· High Efficiency Synchronous-Mode Operation
· Wide Input Range:4.5V to 18V
· Feedback Voltage 0.6V
· 1MHz Switch Frequency
· Up to 2A Output Current
· COT control to achieve fast transient responses
· Force PWM Operation
· Integrated internal compensation
· Stable with Low ESR Ceramic Output Capacitors
· Over Current Protection with Hiccup Mode
· Thermal Shutdown
· Inrush Current Limit and Soft Start
· Build in Input Over Voltage Protection
· Available in SOT23-6 Package
The TMI32520 is high efficiency 1MHz, Constant on-Time (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 2A current with force PWM operation. TMI32520 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 1MHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications. The TMI32520 requires a minimum number of readily available standard external components and is available in a 6-pin SOT23-6 ROHS compliant package.
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