Six-Channel 1x Low Dropout LED Driver

Manufacturer's part number :


Manufacturer Skyworks


Description :

The AHK3296 is a linear current-sink LED driver, capable of driving up to six LEDs at 20.6mA each. Featuring individual low resistance, low drop-out voltage current sinks, the AHK3296 allows the LEDs to be regulated directly
from a Lithium Ion/Polymer battery without the need for an additional step-up power supply, thereby reducing the
external component count, eliminating switching noiseand maximizing efficiency.

Skyworks Simple Serial Control™ (S²Cwire™) interface is used to enable, disable, and set the LED drive current for 32-level linear scale LED brightness control. To minimize the use of external components the LED current is set internally to a maximum of 20.6mA.

The AHK3296 is packaged in a Pb-free, 10-pin SC70JW or 10-pin TDFN2x2.2 package and operates over the -40°C to +85°C temperature range.

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    • 2.7V to 5.5V Input Supply Range
    • Drives up to 6 LEDs at up to 20.6mA each
    • Low-Drop Out, Low Resistance Current Sinks
    • Typically 40.5mV at Full Scale
    • Linear LED Output Current Control
    • S²Cwire Interface Single-wire 32 Steps
    • Independent LED Current Control for Main and Sub Group
    • ±10% LED Output Current Accuracy
    • ±3% LED Output Current Matching
    • Low Current Shutdown Mode
    • Two Package Options: Low Cost SC70JW-10, Low Profile 0.75mm TDFN2x2.2-10

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Number of LEDs 6  

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LED Channels 6  
LED(s) per Channel 1  
Current Accuracy (%) ±10  
Current Matching (%) ±3  
Max Current out per Channel (mA) 20.6  
Interface S²Cwire™  
Minimum Supply Voltage (V) 2.7  
Maximum Supply Voltage (V) 5.5  
Package (mm) SC70JW-10