DESCRIPTION
The AIC2359 is a dual output, low-noise, pulse-width-modulated (PWM), DC-DC step-down converter. It powers logic and transmitters in small wireless systems such as cellular phones, communicating PDAs, and handy-terminals.
FEATURES
• Dual 1A Output
• 2.5V to 5.5V Input Range
• Accurate Reference 0.6V Provides Low Output
Voltages
• Adjustable Output Voltage
• Up to 95% Efficiency
• Stable with Low ESR Output Ceramic Capacitors
• No Schottky Diode Required.
• 65µA Quiescent Current per Channel.
• 100% Duty Cycle in Low Dropout Operation.
• 1.5MHz Fixed-Frequency PWM Operation
APPLICATIONS
• Digital Still Cameras
• Cellular Phones
• Wireless and DSL Modems
• Notebook Chipset Supplies.
• PDAs and Handy-Terminals.
• Battery-Operated Devices (1 Li-Ion or 3 NiMH/
NiCd).