onsemi NCP5388MNR2G

Soft Sw PWM Cntrlr 4-OUT PWM Controller 100KHz to 1MHz 40-Pin QFN T/R

Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, QCC40

2/3/4 Phase Channel Controller

IC CTLR BUCK 2/3/4PHASE 40-QFN

Off-Line Controllers 2/3/4 PHASE CNTRLLR

NCP5388 is a two-three or four phase buck controller which combines differential voltage and current sensing and adaptive voltage positioning to power Intels most demanding Pentium IV processors and low voltage high current power supplies. Dual edge pulse width modulation (PWM) combined with inductor current sensing reduces system cost by providing the fastest initial response to transient loads thereby requiring less bulk and ceramic output capacitors to satisfy transient load-line requirements. A high performance operational error amlifer is provided which allows easy compensation of the system. The proprietary method of Dynamic Reference Injection (patented) makes the error amplifer compensation virtually independent of hte sytem response to VID changes eliminating the need for tradoffs between load transients and Dynamic VID performance.