5A, 3MHz Synchronous Step-Down DC-DC with I2C Compatible Interface, EUP3265 Replace RK860.
FEATURES

• 2.7V to 5.5V Input Voltage Range 

• 3MHz Constant Switching Frequency 

• 5A Available Load Current 

• I2C Control Interface with Dynamic Voltage 

  Scaling Support 

• Programmable Output Voltage: 0.6V to 1.4V in 

  6.25mV Steps 

• Small size, 0.33µH or 0.47µH Inductor Solution 

• 52µA Typical Quiescent Current 

• PFM/PWM Operation for Optimum Increased 

  Efficiency 

• Excellent Load and Line Transient Response 

• Short Circuit and Thermal Protection 

• Available in 2.0mm×1.6mm WCSP-20 Package 

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

  Halogen-Free


PIN CONFIGUTION
CROSS
RK860 RK860.pdf

No.14644

FEATURES

• Input voltage range2.7V-5.5V

• 2.4MHz switching frequency minimizes the external 

  components

• Typical 70uA quiescent current when VIN=3.8V and 

  Temp=25

• Low RDs(ON) for internal switches(PFET/NFET):

  24mohm/16ohm @ VIN=3.8V

• Programmable output voltage:0.7125V to 1.5V with 

  12.5mV/step 

  or 0.5V to 1.5V with 6.25mV/step
• 7A continuous output current capability
• Capable for 0.24uH inductor and 22uF*2 ceramic capacitor
• Hic-cup mode protection for hard short condition

• Integrate inner protection:Cycle by cycle OCP and 

  VIN-OVP/UVLO/DIE-TSD

• RoHS compliant and Halogen free
• Compact package: WLCSP 1.65*2.05-20
PIN CONFIGUTION
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