MBRS330T3 - N-Channel FET Synchronous Buck Regulator Controller

Product Overview

National Semiconductor

Part number	MBRS330T3
Manufacturer	National Semiconductor
File Size	602.18 KB
Description	N-Channel FET Synchronous Buck Regulator Controller
Datasheet	MBRS330T3 Datasheet
Additional preview pages of the MBRS330T3 datasheet.

The LM2727 and LM2737 are high-speed, synchronous, switching regulator controllers.

They are intended to control currents of 0.7A to 20A with up to 95% conversion efficiencies.

The LM2727 employs output over-voltage and undervoltage latch-off.

The LM2737 and LM2737 operate from a low-current 5V bias and can convert from a 2.2V to 16V power rail. Both parts utilize a fixedfrequency, voltage-mode, PWM control architecture and the switching frequency is adjustable from 50kHz to 2MHz by adjusting the value of an external resistor. Current limit is achieved by monitoring the voltage drop across the onresistance of the low-side MOSFET, which enhances low duty-cycle operation. The wide range of operating frequencies gives the power supply d.

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Published: Apr 26, 2005 |