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AK7864

Asahi Kasei Microsystems
Part Number AK7864
Manufacturer Asahi Kasei Microsystems
Description 3 channel LED driver
Published Dec 16, 2013
Detailed Description [AK7864] AK7864 3 channel LED driver with Charge Pump Device Outline This product is include the charge pump power supp...
Datasheet PDF File AK7864 PDF File

AK7864
AK7864

Overview
[AK7864] AK7864 3 channel LED driver with Charge Pump Device Outline This product is include the charge pump power supply and include 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 best for the LED drive for the CIS sensor.
Features ■ Operation Voltage ■ Operating Temperature Range ■ LED driver current 3.
3V±5% 0 ~ 70℃ RED: 66mA (Adjustment external resister:22 ~ 66mA) GREEN: 66mA (Same as above, each channel is spec in absolute value.
) BLUE: 66mA (Same as above, each channel is spec in absolute value.
) Usable Vf MAX range of the LED is 4.
8V.
The resistance for the current regulation is usable in 1/16W -type.
▪ 50% setting is an upper bound when 3ch becoming turning on at the same time.
▪ ▪ 3ch independent ON/OFF.
Current setting in eight steps the external resistan...


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