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L6713, L6714 implement a three/four phase stepdown controller with 120º/90º phase-shift between each phase with integrated high current drivers in a compact 10x10mm body package with exposed pad. Pin-to-pin compatibility allows system scalability: a 4 phase application can be easily downgraded to 3 phases by removing one phase. The device embeds selectable DACs: the output voltage ranges up to 1.60000V (both Intel VR10.x and VR11 DAC) or up to 1.5500V (AMD 6BIT DAC) managing D-VID with ±0.5% output voltage accuracy over line and temperature variations. Additional programmable offset can be added to the reference voltage with a single external resistor. The controller assures fast protection against load over current and under / over voltage (in this last case also before UVLO). In case of over-current the system works in Constant Current mode until UVP. Selectable current reading adds flexibility to the design allowing current sense across inductor or LS mosfets. System Thermal Monitor is also provided allowing system protection from over-temperature conditions.
L6714 Features
0.5% OUTPUT VOLTAGE ACCURACY 7/8 BIT PROGRAMMABLE OUTPUT UP TO 1.60000V - INTEL VR10.x, VR11 DAC 6 BIT PROGRAMMABLE OUTPUT UP TO 1.5500V - AMD 6BIT DAC HIGH CURRENT INTEGRATED GATE DRIVERS FULL DIFFERENTIAL CURRENT SENSING ACROSS INDUCTOR OR LOW SIDE MOSFET PIN-TO-PIN COMPATIBILITY ALLOWS SYSTEM SCALABILITY EMBEDDED VRD THERMAL MONITOR INTEGRATED REMOTE SENSE BUFFER DYNAMIC VID MANAGEMENT ADJUSTABLE REFERENCE VOLTAGE OFFSET PROGRAMMABLE SOFT START PROGRAMMABLE OVER VOLTAGE PROTECTION PRELIMINARY OVER VOLTAGE CONSTANT OVER CURRENT PROTECTION OSCILLATOR INTERNALLY FIXED AT 150kHz EXTERNALLY ADJUSTABLE OUTPUT ENABLE SS_END / PGOOD SIGNAL TQFP64 10x10mm PACKAGE WITH EXPOSED PAD
L6714 Typical Application
HIGH CURRENT VRD FOR DESKTOP CPUs WORKSTATION AND SERVER CPU POWER SUPPLY VRM MODULES
