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The RT8278 is a high voltage buck converter that can support an input voltage range from 4.5V to 24V with output current up to 2A. Current mode operation provides fast transient response and eases loop stabilization.The chip provides protection functions such as cycle-by-cycle current limiting and thermal shutdown protection. In shutdown mode, the regulator only draws 25μA of supply current. The RT8278 is available in a SOP-8 (Exposed Pad) package.
Wide Operating Input Range : 4.5V to 24V
Adjustable Output Voltage Range : 0.8V to 15V
Output Current up to 2A
25μA Low Shutdown Current
High Efficiency up to 90% at 2.2MHz
Programmable Frequency : 220kHz to 3MHz
Internal Soft-Start
Stable with Low ESR Output Ceramic Capacitors
Thermal Shutdown Protection
Cycle-By-Cycle Over Current Protection
RoHS Compliant and Halogen Free
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