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

National Semiconductor

Description

LM3355 Regulated 50 mA Buck-Boost Switched Capacitor DC/DC Converter December 2001 LM3355 Regulated 50mA Buck-Boost Switched Capacitor DC/DC Convert.
The LM3355 is a CMOS switched capacitor DC/DC converter that produces a regulated output voltage by automatically stepping up (boost) or stepping down.

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Datasheet Specifications

Part number: LM3355
Manufacturer: National Semiconductor
File Size: 176.83 KB
Datasheet: LM3355_NationalSemiconductor.pdf
Description: -05 to 5.6 V regulated 50mA buck-boost switched capacitor DC/DC converter

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 3

Applications

* . If other output voltage options between 1.8V and 4.1V are desired for other applications, please contact your National Semiconductor representative. The LM3355’s proprietary buck-boost architecture enables up to 50 mA of load current at an average efficiency greater than 75%. Typical operating cur

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LM3355 -05 5.6 regulated 50mA buck-boost switched capacitor converter National Semiconductor

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