General Description
The RT9055 is a dual channel, low noise, and low dropout regulator sourcing up to 300mA at each channel. The output voltage range is from 0.9V to 3.5V with an input voltage range from 1.5V to 5.5V.

Features
• Wide Operating Voltage Range : 1.5V 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 : 29μA/LDO
• High Output Accuracy 2%
• Short Current Protection
• Thermal Shutdown Protection
• Current Limit Protection
• Short Circuit Thermal Folded Back Protection
• RoHS Compliant and Halogen Free

Applications
• Cellular Handsets
• Battery Powered Equipment
• Hand-Held Instruments
• Portable Information Appliances