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RT7263B

Richtek
Part Number RT7263B
Manufacturer Richtek
Description Synchronous Step-Down Converter
Published Sep 20, 2013
Detailed Description ® RT7263B 3A, 21V 500kHz Synchronous Step-Down Converter General Description The RT7263B is a synchronous step-down reg...
Datasheet PDF File RT7263B PDF File

RT7263B
RT7263B

Overview
® RT7263B 3A, 21V 500kHz Synchronous Step-Down Converter General Description The RT7263B is a synchronous step-down regulator with an internal power MOSFET.
It achieves 3A of continuous output current over a wide input supply range with excellent load and line regulation.
Current mode operation provides fast transient response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.
An adjustable soft-start reduces the stress on the input source at startup.
The RT7263B requires a minimal number of readily available external components, providing a compact solution.
Features z z z z z z z z z z z z Wide Input Range : 4.
5V to 21V Adjustable Output from 0.
603V to 15V 3A Output Current 120mΩ/40mΩ Internal Power MOSFET Switch Internal Compensation Minimizes External Parts 500kHz Fixed Switching Frequency Synchronized External Clock from 300kHz to 2MHz Adjustable Soft-Start Cycle-by-Cycle Over Current Limit Thermal Shutdown Pr...


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