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RT7263B - Synchronous Step-Down Converter

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.

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 Protection Small 14-Lead WDFN Package RoHS Compliant and Halogen Free Ordering Information RT7263B Package Type QW : WDFN-14L 4x3 (W-Type) Lead Pla.

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Datasheet Details

Part number RT7263B
Manufacturer Richtek
File Size 334.14 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT7263B Datasheet

Full PDF Text Transcription

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® 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.
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