LM3355 - -05 to 5.6 V regulated 50mA buck-boost switched capacitor DC/DC converter

Product Overview

National Semiconductor

Datasheet Details

Part number	LM3355
Manufacturer	National Semiconductor
File Size	176.83 KB
Description	-05 to 5.6 V regulated 50mA buck-boost switched capacitor DC/DC converter
Datasheet	LM3355 Datasheet
Additional preview pages of the LM3355 datasheet.

Product details

Description

The LM3355 is a CMOS switched capacitor DC/DC converter that produces a regulated output voltage by automatically stepping up (boost) or stepping down (buck) the input voltage.

Features

n Regulated VOUT with ± 3% accuracy n Standard output voltage of 4.1V n Custom output voltages available from 1.8V to 4.1V in 100 mV increments n 2.5V to 5.5V input voltage n Up to 50 mA output current n > 75% average efficiency n Uses few, low-cost external components n Very small solution size n 375 µA typical operating current n 2.3 µA typical shutdown current n 1 MHz switching frequency (typical) n Architecture and control methods provide high load current and good efficiency n MSOP-10 packa.

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Published: May 10, 2005 |