ISL6532ACR Maximum Ratings
5VSBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V
P12V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to +14V
UGATE, LGATE, NCH. . . . . . . . . . . . . . . . .GND - 0.3V to P12V + 0.3V
All other Pins . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 5VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD
ISL6532ACR Features
• Generates 3 Regulated Voltages
- Synchronous Buck PWM Controller with Standby LDO
- 1.8A Integrated Sink/Source Linear Regulator with accurate VDDQ/2 divider reference.
- LDO regulator for 1.5V Video and Core voltage
• ACPI compliant sleep state control
• Glitch-free transitioning during state changes
• Integrated VREF Buffer
• PWM Controller Drives Low Cost N-Channel MOSFETs
• 12Volt Direct Drive Saves External Components
• 250kHz Constant Frequency Operation
• Excellent Output Voltage Regulation
- Both Outputs: ±2% Over Temperature
• 5V or 3.3V Down Conversion
• Fully-Adjustable Outputs with Wide Voltage Range: Down to 0.8V supports DDR and DDR2 Specifications
• Simple Single-Loop Voltage-Mode PWM Control Design
• Fast PWM Converter Transient Response
• Under and Over-voltage Monitoring of VDDQ and VTT Outputs
• Current Limited VTT regulator
• Integrated Thermal Shutdown Protection
ISL6532ACR Typical Application
• Single and Dual Channel DDR Memory Power Systems in ACPI compliant PCs
• Graphics cards - GPU and memory supplies
• ASIC power supplies
• Embedded processor and I/O supplies
• DSP supplies
ISL6532ACR Connection Diagram
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