Monolithic Power Systems NB685A | Demoboard EVNB685A-Q-00A

Beschreibung

The NB685A provides a complete power supply for DDR3, DDR3L, LPDDR3, and DDR4 memory with the highest power density. It integrates a high frequency synchronous rectified step-down switch mode converter (VDDQ) with a 1A sink/source LDO (VTT) and buffered low noise reference (VTTREF). Adaptive Constant-On-Time (COT) control mode provides fast transient response and eases loop stabilization. The DC auto tune loop provides good load and line regulation.

Eigenschaften

• Wide 4.5 V to 26 V Operating Input Range
• Compatible for IMVP8
• 135 μA Low Quiescent Current
• 12 A Continous Output Current
• 13 A Peak Output Current
• Selectable Ultrasonic Mode
• Selectable 500 k/700 k SwitchingFrequency
• Built-in +/- 1 A VTTLDO
• 1% Buffered VTTREF Output
• Adaptive COT for Fast Transient
• DC Auto-Tune Loop
• Stable with POSCAP and Ceramic OutputCapacitors
• Over-Temperature Warning
• Internal Soft Start
• Output Discharge
• OCL, OVP, UVP, and Thermal Shutdown
• Latch-Off Reset via EN or Power Cycle
• QFN 3mm x 3mm Package

Typische Anwendungen

• Laptop Computers
• Servers
• Networking Systems
• Distributed Power Systems

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers