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LM2746

National Semiconductor
Part Number LM2746
Manufacturer National Semiconductor
Description Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
Published Apr 25, 2010
Detailed Description May 2005 www.DataSheet4U.com LM2746 Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller LM2746 Low Volt...
Datasheet PDF File LM2746 PDF File

LM2746
LM2746

Overview
May 2005 www.
DataSheet4U.
com LM2746 Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller LM2746 Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller General Description The LM2746 is a high-speed synchronous buck regulator controller with a feedback voltage accuracy of ± 1%.
It can provide simple down conversion to output voltages as low as 0.
6V.
Though the control sections of the IC are rated for 3 to 5.
5V, the driver sections are designed to accept input supply rails as high as 16V.
The use of non-overlapping MOSFET gate drivers helps avoid potential shoot-through problems while maintaining high efficiency.
The IC is designed for the more cost-effective option of driving only N-channel MOSFETs in both the high-side and low-side positions.
It senses the low-side switch voltage drop for providing a simple, adjustable current limit.
The fixed-frequency voltage-mode PWM control architecture is adjustable from 50 kHz to 1 MHz with one external resistor.
This ...


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