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SP6641A - 500mA Alkaline DC/DC Boost Regulator

Datasheet Summary

Description

The SP6641 is an ultra-low quiescent current, high efficiency, DC-DC boost converter designed for single and dual cell alkaline, or Li-ion battery applications found in PDA’s, MP3 players, and other handheld portable devices.

Features

  • a 10µA quiescent current, a 0.3Ω Nchannel charging switch, 0.9V input startup, and a 0.33A or 1.0A inductor current limiting feature. The SP6641 is offered in a 5 pin SOT-23 package and provides an extremely small power supply footprint optimized for portable.

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Datasheet preview – SP6641A

Datasheet Details

Part number SP6641A
Manufacturer Sipex
File Size 120.55 KB
Description 500mA Alkaline DC/DC Boost Regulator
Datasheet download datasheet SP6641A Datasheet
Additional preview pages of the SP6641A datasheet.

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Full PDF Text Transcription

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® SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23 s Ultra Low Quiescent Current: 10µA s Wide Input Voltage Range: 0.9V to 4.5V s 90mA IOUT at 1.3V Input (SP6641A-3.3V) s 500mA IOUT at 2.6V Input (SP6641B-3.3V) s 100mA IOUT at 2.0V Input (SP6641A-5.0V) s 500mA IOUT at 3.3V Input (SP6641B-5.0V) s Fixed 3.3V or 5.0V Output Voltage s Up to 87% Efficiency s 0.3Ω NFET RDSon s Startup Voltage Guaranteed at 0.9V s 0.
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