
Richtek Technology
General Description
The RT9267 is a triple output DC-DC converter IC including two adaptive PWM controllers, one low dropout regulator, and one voltage detector. RT9267 is capable of delivering hundreds of mA output current and consumes only 40μA quiescent current for the whole IC.
FEATUREs
• Two Channels of Adaptive PWM Controllers
• One Channel of Low Dropout Regulator
• One Voltage Detector
• Low Start-Up Voltage 1.0V
• Low Quiescent Current 40μA for the Whole IC
• High Switching Rate 550kHz
• Built-In 2A Switching NMOS
• Two Separated Chip Enable Control Pins
• 2% Accuracy for All Channels
• Minimized External Components
• Small TSSOP-16 Package
• RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONs
• PDA
• Portable Instrument
• Wireless Equipment
• DSC
• LCD Back Bias Circuit
• RF-Tags