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A701/A702,pdf,datasheet (LED D
消耗积分:5 |
格式:rar |
大小:433 |
2009-09-07
杨海清
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A701/2 are adjustable constant current drivers for
LED applications. Six regulated current ports are
designed to provide uniform and pure DC constant current
sinks for driving LEDs within a large range VF variations.
A701/2 provide users 6-channel constant current
ports to match LEDs with equal current. Users may adjust
the output current from 5mA to 40mA through an external
resistor, RSET, which gives user flexibility in controlling
the light intensity of LEDs. It also could precisely adjust
LED brightness from 0% to 100% via output enable pin
(OE) with Pulse Width Modulation signal.
The thermal protection function protects IC from
over temperature (150°C). Also, the thermal pad enhances
the package power dissipation.
LED applications. Six regulated current ports are
designed to provide uniform and pure DC constant current
sinks for driving LEDs within a large range VF variations.
A701/2 provide users 6-channel constant current
ports to match LEDs with equal current. Users may adjust
the output current from 5mA to 40mA through an external
resistor, RSET, which gives user flexibility in controlling
the light intensity of LEDs. It also could precisely adjust
LED brightness from 0% to 100% via output enable pin
(OE) with Pulse Width Modulation signal.
The thermal protection function protects IC from
over temperature (150°C). Also, the thermal pad enhances
the package power dissipation.
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