Product Summary

The 2CCR0505S is an acpi regulator/controller for dual channel ddr memory systems. The 2CCR0505S provides a complete ACPI compliant power solution for up to 4 DIMM dual channel DDR/DDR2 Memory systems. Applications are (1)Single and Dual Channel DDR Memory Power Systems in ACPI compliant PCs; (2)Graphics cards - GPU and memory supplies; (3)ASIC power supplies; (4)Embedded processor and I/O supplies; (5)DSP supplies.

Parametrics

2CCR0505S absolute maximum ratings: (1)Rising 5VSBY POR Threshold: 4.00 V to 4.35 V; (2)Falling 5VSBY POR Threshold: 3.60 V to 3.95 V; (3)Rising P12V POR Threshold: 10.0 V to 10.5 V; (4)Falling P12V POR Threshold: 8.80 V to 9.75 V.

Features

2CCR0505S features: (1)ACPI compliant sleep state control; (2)Integrated VREF Buffer; (3)PWM Controller Drives Low Cost N-Channel MOSFETs; (4)250kHz Constant Frequency Operation; (5)Tight Output Voltage Regulation - All Outputs: ±2% Over Temperature; (6)5V or 3.3V Down Conversion; (7)Fully-Adjustable Outputs with Wide Voltage Range: Down to 0.8V supports DDR and DDR2 Specifications; (8)Simple Single-Loop Voltage-Mode PWM Control Design; (9)Fast PWM Converter Transient Response; (10)Under and Over-voltage Monitoring on All Outputs; (11)OCP on the Switching Regulator and VTT; (12)Integrated Thermal Shutdown Protection.

Diagrams

2CCR0505S pin connection