RT9991 Datasheet (Richtek Technology Corporation)

RT9991, Power Management

The RT9991 is a 3-CH PMIC for SSD (Solid-State Drive).

It integrates 3 synchronous buck converters and one voltage detector.

The RT9991 provides 3 independent enable pins for sequence control and auto discharge when powered off on the power line of a NAND Flash.

The frequency can be up to 1.5MHz for

RT9991 Features

* Supply Input Voltage Range : 2.8V to 5.5V

* Buck 1 / Buck 2  Adjustable Output Voltage for VCORE or DRAM Cache  Output Current up to 1A  Switching Frequency : 1.5MHz

* Buck 3  Adjustable Output Version for NAND Flash  Output Current up to 3A  Switching Frequency : 2MHz  Auto Dis