RT6551B, RT6551A - Complete DDR Memory Power Supply Controller

Name: RT6551B
SKU: RT6551B-1557952

Richtek

The RT6551B by Richtek is a Complete DDR Memory Power Supply Controller. Below is the official datasheet preview.

Datasheet Details

Part number	RT6551B, RT6551A
Manufacturer	Richtek
File Size	284.16 KB
Description	Complete DDR Memory Power Supply Controller
Datasheet	RT6551A-Richtek.pdf
Note	This datasheet PDF includes multiple part numbers: RT6551B, RT6551A. Please refer to the document for exact specifications by model.
Additional preview pages of the RT6551B datasheet.

The RT6551A/B provides a complete power supply for DDR2/DDR3/DDR3L/LPDDR3/DDR4 memory systems.

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 (DDR4)  4.5V to 26V Battery Input Range  Resistor Adjustable Frequency  Over-/Under-Voltage Protection  Internal Voltage Ramp Soft-Start  Drives Large Synchronous Rectifier MOSFETs  Power Good Indi.

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Published: Dec 25, 2024 |