LM2748 (LM2745 / LM2748) Synchronous Buck Controller

National Semiconductor

Description

www.DataSheet4U.com LM2745/8 Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization May 2005 LM2745/8 Synchronous Bu.
The LM2745/8 are high-speed synchronous buck regulator controllers with an accurate feedback voltage accuracy of ± 1.

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Datasheet Specifications

Part number: LM2748
Manufacturer: National Semiconductor
File Size: 1.05 MB
Datasheet: LM2748_NationalSemiconductor.pdf
Description: (LM2745 / LM2748) Synchronous Buck Controller

Features

* a fixed-frequency voltage-mode PWM control architecture which is adjustable from 50 kHz to 1 MHz with one external resistor. In addition, the LM2745 also allows the switching frequency to be synchronized to an external clock signal over the range of 250 kHz to 1 MHz. This wide range of switching fre

Applications

* n n n n n Down Conversion from 3.3V Cable Modem, DSL and ADSL Laser Jet and Ink Jet Printers Low Voltage Power Modules DSP, ASIC, Core and I/O Typical Application 20137401 © 2005 National Semiconductor Corporation DS201374 www. national. com LM2745/8 Connection Diagrams 20137490 20137402 14-

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LM2748 LM2745 LM2748 Synchronous Buck Controller National Semiconductor

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