RT8231A Complete DDR Memory Power Supply Controller

RICHTEK

Description

® RT8231A/B Complete DDR Memory Power Supply Controller General .
The RT8231A/B provides a complete power supply for DDR2/DDR3/DDR3L/LPDDR3/DDR4/LPDDR4 memory systems.

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Datasheet Specifications

Part number: RT8231A
Manufacturer: RICHTEK
File Size: 300.13 KB
Datasheet: RT8231A-RICHTEK.pdf
Description: Complete DDR Memory Power Supply Controller

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), 1.2V (DDR4)

Applications

* DDR2/DDR3/DDR3L/LPDDR3/DDR4/LPDDR4 Memory Power Supplies
* Notebook computers
* SSTL18, SSTL15 and HSTL bus termination Pin Configuration (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

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RT8231A Complete DDR Memory Power Supply Controller RICHTEK

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