TB62725BFNG(2009) 查看數據表（PDF） - Marktech Optoelectronics

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TB62725BFNG
(Rev.:2009)

8-­bit Constant-­Current LED Driver of the 3.3­-V and 5-­V Power Supply Voltage Operation

Marktech Optoelectronics 

TB62725BPG/BFG/BFNG

Application Circuit (example 1): The general composition in static lighting of LED.

More than VLED (V) >= Vf (total max) +0.7 is recommended with the following application circuit with the LED power supply VLED.

r1: The setup resistance for the setup of output current of every IC.

r2: The variable resistance for the brightness control of every LED module.

Example)

TD62M8600: 8­bit multi­chip PNP transistor array,

which is not used in static lighting system.

VLED

C.U.

SCAN

SERIAL­IN

ENABLE

LATCH

CLOCK

O1 O2

O5 O6

8­bit SIPO, Latches and

Constant­sink­current drivers

TB62725BPG/BFG/BFNG

O7

SERIAL­OUT SERIAL­IN

ENABLE

LATCH

CLOCK

O1 O2

O5 O6 O7

SERIAL­OUT

8­bit SIPO, Latches and

Constant­sink­current drivers

TB62725BPG/BFG/BFNG

r2

10

2005­04­20

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