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AL3158 Datasheet - Diodes

AL3158-Diodes.pdf

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Datasheet Details

Part number:

AL3158

Manufacturer:

DIODES ↗

File Size:

355.88 KB

Description:

High efficiency 1x/2x charge pump.

AL3158, HIGH EFFICIENCY 1x/2x CHARGE PUMP

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

AL3158 Features

* Applications

* VIN Range: 2.7V to 5.5V

* Up to 93% Max Power Efficiency

* 1% Current Matching Accuracy Between Channels

* Three simple PWM dimming for RGB or WLED

* Low transition threshold voltage typical 150 mV

* Dual-Mode 1x and 2x Charge Pump

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