tb62777fng Marktech Optoelectronics, tb62777fng Datasheet - Page 8

• Manufacturer Part Number: tb62777fng
• Description: 8-channel Constant-current Led Driver Of The 3.3-v And 5-v Power Supply Voltage Operation
• Manufacturer: Marktech Optoelectronics

Test Circuits
Test Circuit 1: SERIAL-OUT output voltage (V
Test Circuit 2: Input Current (I
Test Circuit 3: Input Current (I
V
V
t
(10 to 90%)
r
IH
IL
V
= t
IN
= 0 V
= V
f
= 10 ns
= V
DD
A
DD
F.G
A
A
A
A
A
A
A
CLOCK
SERIAL-IN
ENABLE
LATCH
CLOCK
SERIAL-IN
ENABLE
LATCH
IH
IL
R-EXT
)
)
CLOCK
SERIAL-IN
ENABLE
LATCH
R-EXT
R-EXT
TENTATIVE
GND
V
GND
V
DD
DD
GND
V
8
DD
SERIAL-OUT
OH
SERIAL-OUT
SERIAL-OUT
/V
OUT0
OUT7
OL
OUT0
OUT7
)
OUT0
OUT7
V
(Ver.0.2) 2008-1-23
TB62777FNG