APW8871

APW8871 DDR4 TOTAL POWER SOLUTION (VPP/VDDQ/VTT) SYNCHRONOUS DC/DC CONVERTER for NB/MB Features Provide 4 Independent Outputs for VPP, VDDQ,VTT LDO and VTTREF LDO VDDQ Converter High Input Voltages Range from 4.5V to 25V Input Power Provide 1.2V (DDR4) or Adjustable Output Voltage Max to 1.8V by SMBus Control - +1% Accuracy over Temperature High Efficiency Performance up to90%scale & Low Shutdown Current <1uA Integrated High_Side N-Channe l MOSFET 20mΩ a nd Low_ Side N-Cha nne l MOSFET 10 m Ω @ VCC=5V Integrated Bootstrap Forward P-CH MOSFET Built in Internal Soft-Sta rt: 0.4 ms(typ.) and SoftStop Functions for PWM Output Built In Automatic PFM/PWM Mode Selection Fixed 800kHz Switching Frequency S3 andS5 Pins Control The Device in S0, S3 or S4/ S5 State Built In PMAX Signal for Total Power Indicator Power Good Monitoring 60% Under-Voltage Protection (UVP) 125% Over-Voltage Protection (OVP) Built in Fixed Valley Current Limit Protection Built In Thermal Shutdown Function VPP Converter Integrated High_Side P-Channel MOSFET 220mΩ and Low_ Side N-Channe l MOSFET 2 00 mΩ @ VCC=5V Excellent Reference Voltage = 0.6V - +1% Load/Line Regulations over all TC range Fixed 1MHz switching Frequency Built in Internal Soft-Sta rt: 0.2 ms(typ.) and SoftStop Functions for PWM Output 60% Under-Voltage Protection (UVP) 125% Over-Voltage Protection (OVP) Built in Fixed Valley Current Limit Protection Built In Thermal Shutdown Function +0.75A LDO S...