ISL6556A Maximum Ratings
Supply Voltage, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . .+7V
Input, Output, or I/O Voltage (except OVP) . . GND -0.3V to VCC +0.3V
OVP Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . .+15V
ESD (Human body model). . . . . . . . . . . . . . . . . . . . ..... . .. . . . . . .>4kV
ESD (Machine model) . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... . . .>300V
ESD (Charged device model) . . . . . . . . . . . . . . . . . . . . ....... . . . . .>2kV
ISL6556A Features
• Precision Multi-Phase Core Voltage Regulation
-Differential Remote Voltage Sensing
-±0.5% System Accuracy Over Temperature and Life
-Adjustable Reference-Voltage Offset
• Precision rDS(ON) Current Sensing
-Accurate Load-Line Programming
-Accurate Channel-Current Balancing
-Low-Cost, Lossless Current Sensing
• Internal Shunt Regulator for 5V or 12V Biasing
• Microprocessor Voltage Identification Input
-Dynamic VID™ Technology
-6-Bit VID Input
-0.8375V to 1.600V in 12.5mV Steps
• Threshold Enable Function for Precision Sequencing
• Overcurrent Protection
• Overvoltage Protection
-No Additional External Components Needed
-OVP Pin to drive optional Crowbar Device
• 2, 3, or 4 Phase Operation up to 1.5MHz per Phase
• QFN Package Option
QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad
Flat No Leads - Product Outline
QFN Near Chip Scale Package Footprint; Improves
PCB Efficiency, Thinner in Profile
• Pb-free Available (RoHS Compliant)
ISL6556A Connection Diagram
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