型號 : NCP5220
封裝 : DFN-20
包裝 : 全新原裝
數量 : 1 PCS / 包
貨號 : 4712008003889
描述 : 3合1PWM雙降壓 線性電源控制器
特點 :
• Pb-Free Package is Available*
• Incorporates Synchronous PWM Buck Controllers for VDDQ andVMCH
• Integrated Power FETs with VTT Regulator Source/Sink up to 2.0 A
• All External Power MOSFETs are N-Channel
• Adjustable VDDQ and VMCH by External Dividers
• VTT Tracks at Half the Reference Voltage
• Fixed Switching Frequency of 250 kHz for VDDQ and VMCH
• Doubled Switching Frequency of 500 kHz for VDDQ Controller in
Standby Mode to Optimize Inductor Current Ripple and Efficiency
• Soft-Start Protection for All Controllers
• Undervoltage Monitor of Supply Voltages
• Overcurrent Protections for DDQ and VTT Regulators
• Fully Complies with ACPI Power Sequencing Specifications
• Short Circuit Protection Prevents Damage to Power Supply Due to
Reverse DIMM Insertion
• Thermal Shutdown
• 5x6 DFN-20 Package