5A, 36V, 500kHz Step-Down Converter, EUP3489 Replace RT8279.
FEATURES

• 4.75V to 30V Wide Input Operating Range 

• Output Adjustable from 1.222V to 26V 

• Up to 5A Output Current 

• 3µA Low Shutdown Current 

• 0.1Ω Internal DMOS Output Switch 

• Up to 90% Efficiency 

• Fixed 500kHz Switching Frequency 

• Internal Compensation 

• Internal Soft Start 

• Cycle-by-Cycle Current Limit Protection 

• Thermal Shutdown Protection 

• Input Supply Undervoltage Lockout 

• Available SOP-8 (EP) Package 

• RoHS Compliant and 100% Lead(Pb)-Free 

  Halogen-Free

PIN CONFIGUTION
优势替代
RT8279 RT8279.pdf

No.10304

FEATURES

• 5A Output Current

• Internal Soft-Start

• 110mΩ Internal Power MOSFET Switch

• Internal Compensation Minimizes External Parts

  Count

• High Efficiency up to 90%

• 25μA Shutdown Mode

• Fixed 500kHz Frequency

• Thermal Shutdown

• Cycle-by-Cycle Over Current Protection

• Wide 5.5V to 36V Operating Input Range

• Adjustable Output Voltage from 1.222V to 26V

• Available In an SOP8 (Exposed Pad) Package

• RoHS Compliant and Halogen Free


PIN CONFIGUTION
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