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LM2645

Part Number	LM2645
Manufacturer	National Semiconductor
Description	Advanced Two-Phase Switching Controller
Published	Mar 22, 2005
Detailed Description	LM2645 Advanced Two-Phase Switching Controller With Two Linear Outputs April 2001 LM2645 Advanced Two-Phase Switching ...
Datasheet	LM2645 PDF File

Overview

LM2645 Advanced Two-Phase Switching Controller With Two Linear Outputs April 2001 LM2645 Advanced Two-Phase Switching Controller With Two Linear Outputs General Description The LM2645 is a feature-rich IC that combines two current mode synchronous buck regulator controllers, an adjustable linear regulator controller and a fixed 3.
3V standby output rail.
The two switching regulator controllers operate 180˚ out of phase.
This feature reduces the input ripple RMS current, thereby significantly reducing the required input capacitance.
The two switching regulator outputs can also be paralleled to operate as a dual-phase regulator.
The use of synchronous rectification and pulse-skip operation at...

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