Maxim Integrated Switching Regulator, Surface Mount, 3.29 → 3.36V dc Output Voltage, 4.5 → 5.5V dc Input

±1% Output Accuracy, Including Line and Load Regulation
94% Efficiency
Internal Switches
55mΩ PMOS Power Switch
60mΩ NMOS Synchronous-Rectifier Switch
Guaranteed 3A Load Capability
Minimal External Components
Pin-Selectable Fixed 3.3V, 2.5V, or Adjustable (1.1V to 3.8V) Output Voltage
4.5V to 5.5V Input Voltage Range
400μA (typ) Supply Current
<1μA Shutdown Supply Current
Constant-Off-Time PWM Operation
Switching Frequencies Up to 350kHz
Idle Mode™ Operation at Light Loads
Thermal Shutdown Protection
Available in 20-Pin SSOP
Applications
5V to 3.3V Conversion
CPU Daughter Card Supply
Desktop Computer Bus-Termination Supply
DSP Supply
Notebook Computer CPU I/O Supply

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