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AL3158 - HIGH EFFICIENCY 1x/2x CHARGE PUMP

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Part number AL3158
Manufacturer DIODES
File Size 355.88 KB
Description HIGH EFFICIENCY 1x/2x CHARGE PUMP
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Description

Pin Assignments The AL3158 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 AL3158 is capable of driving three groups of three LED channels at 20mA from a 2.7V to 5.5V input.The current sinks may be operated using three simple PWM dimming inputs individually or in parallel for driving highercurrent LEDs.Low external part counts (one 1µF flying capacitor and two 2.2µF capacitors at VIN an

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