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AK8451

更新时间： 2022-06-03 03:10:23

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AK8451 数据手册

ASAHI KASEI

[AK8451]

■ LED Driver Block

ꢀ Operation Voltage(LVDD)

ꢀ Absolute Maximum Voltage

ꢀ Operating Temperature Range

ꢀ LED driver current

4.5V~5.7V

6.5V

0 ~ 70°C

RED：60mA(Adjustment external resister:20m~60mA)

GREEN: (Programmable: RED 29% ; 4.17% step )

BLUE： (Programmable: RED 29% ; 4.17% step )

Usable Vf range of the LED is from 1.5V to <LVDD-0.5V>.

The resistance for the current regulation is usable in

1/16W -type. The number of channels of applying an

current to the LED is at the same time to one or two.

When the external resistance value becomes the

assumption outside, it has the protection circuit which

doesn't make the electric current which flows through the

LED equal to or more than 150mA±30%.

□Rch Current Accuracy

□LED Current rise / fall time

53 ~ 67mA(at 60mA setting)

less than 10μs (10%←→90%)

□LED Vf Range

□Application

<1.5V>(min.)

A light source driver for CIS module of MFP

~ <LVDD-0.5V>(max.)

MS0937-E-01

2011/04

123 4 5 6 7...42

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