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AL3159

Diodes
Part Number AL3159
Manufacturer Diodes
Description HIGH EFFICIENCY 1x/2x CHARGE PUMP
Published Aug 4, 2015
Detailed Description NEW PRODUCT AL3159 HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS Description Pin Assignments The AL31...
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AL3159
AL3159

Overview
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.
AL3159 digital inputs are used to enable...


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