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LM2734 - Thin SOT23 1A Load Step-Down DC-DC Regulator

Datasheet Summary

Description

The LM2734 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 6-pin Thin SOT23 package.

It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area.

Features

  • include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output over-voltage protection. Features n n n n n n n n n n n Thin SOT23-6 package 3.0V to 20V input voltage range 0.8V to 18V output voltage range 1A output current 550kHz (LM2734Y) and 1.6MHz (LM2734X) switching frequencies 300mΩ NMOS switch 30nA shutdown current 0.8V, 2% internal voltage reference Internal soft-start Current-Mode, PWM operation.

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Datasheet Details

Part number LM2734
Manufacturer National Semiconductor
File Size 459.59 KB
Description Thin SOT23 1A Load Step-Down DC-DC Regulator
Datasheet download datasheet LM2734 Datasheet
Additional preview pages of the LM2734 datasheet.

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Full PDF Text Transcription

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LM2734 Thin SOT23 1A Load Step-Down DC-DC Regulator October 2004 LM2734 Thin SOT23 1A Load Step-Down DC-DC Regulator General Description The LM2734 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 6-pin Thin SOT23 package. It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components and online design support through WEBENCH™, the LM2734 is easy to use. The ability to drive 1A loads with an internal 300mΩ NMOS switch using state-of-the-art 0.5µm BiCMOS technology results in the best power density available.
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