RT5091A - Power Management Unit Total Power Solution

Richtek

Datasheet Details

Part number	RT5091A
Manufacturer	Richtek
File Size	787.80 KB
Description	Power Management Unit Total Power Solution
Datasheet	RT5091A Datasheet

General Description

The RT5091A/B is a total power management solution for SSDs (Solid State Drive) with dedicated input supply voltages of 3.3V or 5V.

The RT5091A/B incorporates three high-efficiency synchronous buck regulators and one LDO that deliver several output voltages from a single power source.

This provides flexibility to support applications of different VIDs with a regulated power-on sequence.

Overview

® RT5091A/B Power Management Unit Total Power Solution for SSD.

Key Features

Input Supply Voltage Range : 2.8V to 5.5V.
Three High-Efficiency Configurable Low-Voltage Buck Converters at Default Switching Frequency of 2MHz  CH1 for ASIC Core Power : Output Current : 4A Output Voltages Programmable by REFIN Pin or 0.7V to 1.3V in 10mV/Step Via I2C  CH2 for DDR Power : Output Current : 2A Output Voltages Programmable by FB2 Pin  CH3 for Flash I/O Power : Output Current : 2A Output Voltages Programmable by FB3 Pin.
One LDO of Low Quiescent Current  LDO fo.

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