LM3753 Scalable 2-Phase Synchronous Buck Controllers

National Semiconductor

Description

LM3753/54 Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regulator Controller LM3753/54 December 14, 2009 Sca.
The LM3753 and LM3754 are full featured single-output dualphase voltage-mode synchronous PWM buck controllers.

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Datasheet Specifications

Part number: LM3753
Manufacturer: National Semiconductor
File Size: 850.82 KB
Datasheet: LM3753-NationalSemiconductor.pdf
Description: Scalable 2-Phase Synchronous Buck Controllers

Features

* Wide input voltage range of 4.5V to 18V
* Up to 12 channels for 300A load
* System accuracy better than 1%
* 0.6V to 3.6V output voltage range
* Switching frequency from 200 kHz to 1 MHz
* Phase current sharing ±12% max over temperature
* Integrated 4.35V ±2.3% LDO

Applications

* CPUs, GPUs (graphic cards), ASICs, FPGAs, Large Memory Arrays, DDR
* High Current POL Converters
* Networking Systems
* Power Distribution Systems
* Telecom/Datacom DC/DC Converters
* Desktops, Servers and Workstations Simplified Application © 2009 National Semiconductor

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LM3753 Scalable 2-Phase Synchronous Buck Controllers National Semiconductor

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