General Description

The RT9054 is a dual channel, low noise, and low dropout regulator sourcing up to 300mA at each channel. The range of output voltage is from 1.2V to 3.6V by operating from 2.5V to 5.5V input.

Features

• Wide Operating Voltage Ranges : 2.5V to 5.5V

• Low-Noise for RF Application

• No Noise Bypass Capacitor Required

• Fast Response in Line/Load Transient

• TTL-Logic-Controlled Shutdown Input

• Low Temperature Coefficient

• Dual LDO Outputs (300mA/300mA)

• Ultra-low Quiescent Current 27μA/LDO

• High Output Accuracy 3

• Short Circuit Protection

• Thermal Shutdown Protection

• Current Limit Protection

• Short Circuit Thermal Folded Back Protection

• Tiny 6-Lead WDFN Packages

• RoHS Compliant and Halogen Free

Applications

• CDMA/GSM Cellular Handsets

• Battery-Powered Equipment

• Laptop, Palmtops, Notebook Computers

• Hand-Held Instruments

• PCMCIA Cards

• Portable Information Appliances