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LM2648

Part Number	LM2648
Manufacturer	National Semiconductor
Description	Synchronous Step-Down 3-Channel Switching Regulator Controller
Published	Jun 1, 2007
Detailed Description	LM2648 Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller December 2004 LM2648 Two-Phase, Synch...
Datasheet	LM2648 PDF File

Overview

LM2648 Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller December 2004 LM2648 Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller General Description The LM2648 consists of two current mode and two voltage mode synchronous buck regulator controllers providing 3 outputs at a switching frequency of 300kHz.
Each pair of 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 current mode regulator outputs operate as a dualphase, single output regulator for high current applications.
Current-mode feedback control on Channel 3...

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