TB62725BFNG(2009) 데이터 시트보기 (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 

Application Circuit (example 2): When the condition of VLED is VLED > 17 V.

The unnecessary voltage is one effective technique as to making the voltage descend with the zennor diode.

TB62725BPG/BFG/BFNG

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

8­bit SIPO, Latches and

Constant­sink­current drivers

O7

SERIAL­OUT

TB62725BPG/BFG/BFNG

r2

11

2005­04­20

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