
Richtek Technology
General Description
The RT8056 is a high efficiency synchronous dual stepdown converter. Capable of delivering two independent 1A output current over a wide input voltage range from 2.8V to 5.5V. The RT8056 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs and hand-held devices.
FEATUREs
● 2.8V to 5.5V Input Voltage Range
● 1.5MHz Fixed Frequency PWM Operation
● 2 x 1A Output Current
● Up to 95% Efficiency
● No Schottky Diode Required
● 0.6V Reference Allows for Low Output Voltage
● Low Dropout Operation : 100% Duty Cycle
● Small 10-Lead WDFN Package
● RoHS Compliant and Halogen Free
APPLICATIONs
● Portable Instruments
● Microprocessors and DSP Core Supplies
● Cellular Phones
● Wireless and DSL Modems
● PC Cards
● Set Top Box