Datasheet Details
Part number:
RT6551B, RT6551A
Manufacturer:
Richtek
File Size:
284.16 KB
Description:
Complete ddr memory power supply controller.
Note:
This datasheet PDF includes multiple part numbers: RT6551B, RT6551A.
Please refer to the document for exact specifications by model.
RT6551B, RT6551A, Complete DDR Memory Power Supply Controller
The RT6551A/B provides a complete power supply for DDR2/DDR3/DDR3L/LPDDR3/DDR4 memory systems.
It integrates a synchronous PWM Buck controller with a 1.5A sink/source tracking linear regulator and buffered low noise reference.
The PWM controller provides the low quiescent current, high efficiency, e
RT6551B Features
* PWM Controller Adjustable Current Limit with Low-Side RDS(ON) Sensing Low Quiescent Supply Current Quick Load-Step Response within 100ns 1% VVDDQ Accuracy Over Line and Load Adjustable 0.675V to 3.3V Output Range for 1.8V (DDR2), 1.5V (DDR3), 1.35V (DDR3L), 1.2V (LPDDR3) and 1.2V (DD
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