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AL3159 - HIGH EFFICIENCY 1x/2x CHARGE PUMP

Datasheet Summary

Description

The AL3159 is a low noise, constant frequency charge pump DC/DC converter that uses a Dual mode load switch (1x), and (2x) conversion for white LED applications.

The AL3159 is capable of driving nine LED channels at 20mA from a 2.7V to 5.5V input.

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Datasheet preview – AL3159

Datasheet Details

Part number AL3159
Manufacturer DIODES
File Size 372.86 KB
Description HIGH EFFICIENCY 1x/2x CHARGE PUMP
Datasheet download datasheet AL3159 Datasheet
Additional preview pages of the AL3159 datasheet.

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Full PDF Text Transcription

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NEW PRODUCT AL3159 HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS Description Pin Assignments The AL3159 is a low noise, constant frequency charge pump DC/DC converter that uses a Dual mode load switch (1x), and (2x) conversion for white LED applications. The AL3159 is capable of driving nine LED channels at 20mA from a 2.7V to 5.5V input. The current sinks may be operated using three simple logic control inputs individually or in parallel for driving higher-current LEDs. Low external part counts (one 1µF flying capacitor and two 2.2µF capacitors at VIN and VOUT) make this part ideally suited for small, battery-powered applications.
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