LM5642 - High Voltage/ Dual Synchronous Buck Converter

Product Overview

National Semiconductor

Datasheet Details

Part number	LM5642
Manufacturer	National Semiconductor
File Size	667.79 KB
Description	High Voltage/ Dual Synchronous Buck Converter
Datasheet	LM5642 Datasheet
Additional preview pages of the LM5642 datasheet.

Product details

Description

The LM5642 consists of two current mode synchronous buck regulator controllers operating 180˚ out of phase with each other at a normal switching frequency of 200kHz.

Features

analog soft-start circuitry that is independent of the output load and output capacitance making the soft-start behavior more predictable and controllable than traditional soft-start circuits. Over-voltage protection is available for both outputs. A UVDelay pin is also available to allow delayed shut off time for the IC during an output under-voltage event. Features n Two synchronous buck regulators n 180˚ out of phase operation n Synchronizable switching frequency from 150kHz to 250kHz n 4.5V.

📁 Similar Datasheet

LM5642X - Dual Synchronous Buck Converter (Texas Instruments)
LM561C - Middle Power LED (Samsung)
LM5623-11 - THREE DIGIT DISPLAY (Ledtech)
LM5623-11EWRN - THREE DIGIT DISPLAY (Ledtech)
LM567M - Tone Decoder (HGSemi)
LM567N - Tone Decoder (HGSemi)
LM50-Q1 - Temperature Sensor (Texas Instruments)
LM5000 - Regulator (Texas Instruments)

Other Datasheets by National Semiconductor

LM56 - Dual Output Low Power Thermostat
LM565 - Phase Locked Loop
LM566C - LM566C Voltage Controlled Oscillator
LM567 - Tone Decoder
LM567C - Tone Decoder
LM50 - SOT-23 Single-Supply Centigrade Temperature Sensor

Published: Mar 22, 2005 |