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AK7864A

AKM
Part Number AK7864A
Manufacturer AKM
Description 3 channel LED driver
Published May 11, 2014
Detailed Description [AK7864A] AK7864A 3 channel LED driver with Charge Pump Device Outline This product includes the charge pump power sup...
Datasheet PDF File AK7864A PDF File

AK7864A
AK7864A

Overview
[AK7864A] AK7864A 3 channel LED driver with Charge Pump Device Outline This product includes the charge pump power supply and the 3 channel LED driver who drives the LED of the anode common in the constant current.
The current to pass for each channel can be adjusted by the external resistance and the register setting.
Also, it has the control pins which turn on or off the current.
It is the suitable for the LED drive for the CIS sensor.
Features ■ Operating Voltage ■ Operating Temperature Range ■ LED Driver Current 3.
3V±5% 0 ~ 70 C RED: 66mA GREEN: 66mA BLUE: 66mA The LED current is adjustable from 22mA to 66mA by the external resistor.
In addition, the LED current can be reduced to 100%~12.
5% by the register.
Allowable maximum Vf of the LED is 4.
8V.
The 1/16 watt type is usable to external resistor.
 3 chnnel independently ON/OFF (50% setting is an upper bound when 3ch becoming turning on at the same time)  Current setting in eight steps the external resistance value becomes th...


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