RT6551B, RT6551A Complete DDR Memory Power Supply Controller

Richtek

Description

® RT6551A/B Complete DDR Memory Power Supply Controller General .
The RT6551A/B provides a complete power supply for DDR2/DDR3/DDR3L/LPDDR3/DDR4 memory systems.

📥 Download Datasheet

RT6551B Datasheet Preview — This datasheet PDF includes multiple part numbers: RT6551B, RT6551A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: RT6551B, RT6551A
Manufacturer: Richtek
File Size: 284.16 KB
Datasheet: RT6551A-Richtek.pdf
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.

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

Applications

* DDR2/DDR3/DDR3L/LPDDR3/DDR4 Memory Power Supplies
* Notebook computers
* SSTL18, SSTL15 and HSTL bus termination Pin Configurations (TOP VIEW) VTT VLDOIN BOOT UGATE PHASE VTTGND VTTSNS GND VTTREF VDDQ 20 19 18 17 16 1 15 LGATE 2 14 PGND 3 GND 13 CS 4 21 12 VDD 5 11 VID 6

RT6551B Distributors

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RT6551A Complete DDR Memory Power Supply Controller Richtek

Richtek RT6551B-like datasheet