5A,36V,500kHz Step-Down Converter, EUP3489 Replace RT8289.
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
CROSS
RT8289 RT8289.pdf

No.11791

FEATURES

• High Output Current up to 5A

 Internal Soft-Start

• 100mΩ Internal Power MOSFET Switch

•  Internal Compensation Minimizes External Parts

  Count

•  High Efficiency up to 90%

•  25μA Shutdown Current

•  Fixed 500kHz Frequency

• Thermal Shutdown Protection

•  Cycle-by-Cycle Over Current Protection

• Wide 5.5V to 32V Operating Input Range

•  Adjustable Output Voltage from 1.222V to 26V

• Available in an SOP-8 (Exposed Pad) Package

•  RoHS Compliant and Halogen Free


PIN CONFIGUTION
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