LM2645 Advanced Two-Phase Switching Controller

National Semiconductor

Description

LM2645 Advanced Two-Phase Switching Controller With Two Linear Outputs April 2001 LM2645 Advanced Two-Phase Switching Controller With Two Linear Out.
The LM2645 is a feature-rich IC that combines two current mode synchronous buck regulator controllers, an adjustable linear regulator controller and a.

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Datasheet Specifications

Part number: LM2645
Manufacturer: National Semiconductor
File Size: 497.93 KB
Datasheet: LM2645_NationalSemiconductor.pdf
Description: Advanced Two-Phase Switching Controller

Features

* a fixed 5V output, and the second switching controller controller (Channel 2) features a fixed 3.3V output. Both channels can also be independently adjusted from 1.3 to 5.5V. The adjustable linear regulator can be adjusted from 3.3V to 15V. An internal 5V rail is also available externally for drivin

Applications

* n n n n n n Notebook and sub-notebook computers Embedded computer systems Battery-powered instruments High end gaming systems Set-top boxes WebPAD © 2001 National Semiconductor Corporation DS200159 www. national. com LM2645 Connection Diagram TOP VIEW voltage at this pin to 1.5V or higher. Thus,

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LM2645 Advanced Two-Phase Switching Controller National Semiconductor

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