ISL62773 Datasheet | Renesas

features . Both outputs support DCR current sensing with a single NTC thermistor for DCR temperature pensation or accurate resistor current sensing. Both outputs utilize remote voltage sense, adjustable switching frequency, OC protection and power-good. Applications - AMD Fusion CPU/GPU core power - Desktop puters Features - Supports AMD SVI 2.0 serial data bus interface - Serial VID clock frequency range 100k Hz to 25MHz - Dual output controller with integrated drivers - Two dedicated core drivers - One programmable driver for either core or Northbridge - Precision voltage regulation - 0.5% system accuracy over-temperature - 0.5V to 1.55V in 6.25m V steps - Enhanced load line accuracy - Supports multiple current sensing methods - Lossless inductor DCR current sensing - Precision resistor current sensing - Programmable 1-, 2- or 3-phase for the core output and 1- or 2-phase for the Northbridge output - Adaptive body diode conduction time reduction - Superior noise immunity and transient response - Output current monitor and thermal monitor - Differential remote voltage sensing - High efficiency across entire load range - Programmable slew rate, VID offset, droop and switching frequency on both outputs - OCP/WOC, OVP, PGOOD and thermal monitor - Small footprint 48 Ld 6x6 QFN Package - Pb-free (Ro HS pliant) EFFICIENCY (%) VOUT (A) Core Performance 100 90 80 70 60 50 40 30 20 10 0 0 VIN = 12V VIN = 19V VIN = 8V VOUT CORE = 1.1V 5 10 15 20 25 30 35 40 45 50 55 IOUT (A) FIGURE 1. EFFICIENCY vs LOAD 1.06 1.04...