PM6670 Complete DDR2/3 Memory Power Supply Controller Features

Switching section (VDDQ) - 4.5 V to 36 V input voltage range - 0.9 V, ±1% voltage reference - 1.8 V (DDR2) or 1.5 V (DDR3) fixed output voltages - 0.9 V to 2.6 V adjustable output voltage - 1.237 V ±1% reference voltage available - Very fast load transient response using constant-on-time control loop - No RSENSE current sensing using low side MOSFETs' RDS(ON) - Negative current limit - Latched OVP and UVP - Soft-start internally fixed at 3 ms - Selectable pulse skipping at light load - selectable no-audible (33 kHz) pulse skip mode - Ceramic output capacitors supported - Output voltage ripple compensation VTT LDO and VTTREF - 2 Apk LDO with foldback for VTT - Remote VTT sensing - High-Z VTT output in S3 - Ceramic output capacitors supported - ±15 mA Low noise buffered reference Description The device PM6670AS is a complete DDR2/3 power supply regulator designed to meet JEDEC specifications. It integrates a constant on-time (COT) buck controller, a 2 Apk sink/source low drop out regulator and a 15 mA low noise buffered reference. The COT architecture assures fast transient response supporting both electrolytic and ceramic output capacitors. An embedded integrator control loop compensates the DC voltage error due to the output ripple. The 2 Apk sink/source linear regulator provides the memory termination voltage with fast load transient response. The device is full compliant with system sleep states S3 and S4/S5, providing LDO output high impedance in Suspend-To-RAM and Tracking Discharge of all outputs in Suspend-To-Disk. 

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2.All components we sell has 30 days return policy from the day of shipment, but if the damage is man-made, we will be unable to change for you.