tb62777fng Marktech Optoelectronics, tb62777fng Datasheet - Page 7
tb62777fng
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
Datasheet
1.TB62777FNG.pdf
(17 pages)
Electrical Characteristics
Output current
Output current error between ICs
Output current error between channels
Output leakage current
Input voltage
Input current
SERIAL-OUT output voltage
Changes in constant output current
dependent on V
Supply current
Switching
Note 1: T
Propagation delay time
Output rise time
Output fall time
C
Characteristics
Characteristics
opr
L
= 10.5pF (see test circuit 6.)
DD
= 25°C, V
Characteristics
DD
= V
IH
(Unless otherwise specified, Ta = 25°C, V
= 3.3 V, V
(Unless otherwise specified, Ta = 25°C
I
I
DD (OFF) 1
DD (OFF) 2
I
Symbol
∆ I
∆ I
%/V
DD (ON)
Symbol
I
OUT1
t
t
t
t
t
t
V
V
OUT1
OUT2
I
V
pLH1
pLH2
pLH3
t
pHL1
pHL2
pHL3
t
V
I
OZ
I
pLH
pHL
t
OH
t
IH
OL
IL
IH
or
IL
of
DD
IL
= 0 V, R
TENTATIVE
Circuit
Circuit
Test
Test
⎯
⎯
5
5
5
5
2
3
1
1
5
4
4
4
6
6
6
6
6
6
6
6
6
6
EXT
7
V
V
V
All channels ON V
V
All channels ON V
V
SERIAL-IN/CLOCK/ LATCH /
SERIAL-IN/CLOCK/ LATCH /
V
CLOCK/SERIAL-IN/ LATCH /
V
CLOCK/SERIAL-IN/ LATCH /
I
I
V
R-EXT = OPEN, V
R-EXT = 1.2 k Ω , V
All channels OFF
R-EXT = 1.2 k Ω , V
All channels ON
CLK- OUTn , LATCH = “H”,
CLK-SERIAL OUT
CLK- OUTn , LATCH = “H”,
CLK-SERIAL OUT
10% to 90% points of OUT0
to OUT7 voltage waveforms
90% to 10% points of OUT0
to OUT7 voltage waveforms
ENABLE
ENABLE
ENABLE
ENABLE
OL
OH
ENABLE = “L”
LATCH - OUTn ,
ENABLE = “L”
ENABLE - OUTn ,
LATCH = “H”
ENABLE = “L”
LATCH - OUTn ,
ENABLE = “L”
ENABLE - OUTn ,
LATCH = “H”
= 1.2 k Ω , I
OUT
DD
OUT
OUT
OUT
IN
IN
DD
= 5.0 mA, V
= VDD
= GND
= − 5.0 mA, V
= 3.3 V,
= 3 V to 5.5 V
= 0.4 V, R-EXT = 1.2 k Ω
= 0.4 V, R-EXT = 1.2 k Ω
= 0.4 V, R-EXT = 1.2 k Ω
= 25 V
Test Condition (Note 1)
Test Condition
OUT
DD
DD
OUT
OUT
OUT
= 15mA , V
= 3.3 V
DD
DD
= 3.3 V
= 25.0 V
= 3.3 V,
= 3.3 V,
= 25.0 V,
= 0.4 V,
, V
L
DD
= 5.0 V,
DD
Min
= 3 to 3.6 V
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
2
2
0.7 ×
GND
= 3 to 3.6 V)
V
Min
3.0
(Ver.0.2) 2008-1-23
―
―
⎯
⎯
―
―
⎯
⎯
⎯
⎯
⎯
DD
Typ.
TB62777FNG
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Typ.
15
± 3
± 1
⎯
⎯
⎯
―
―
⎯
⎯
⎯
⎯
⎯
1
)
Max
300
300
300
340
340
340
150
300
14
14
0.3 ×
Max
V
V
0.3
± 6
± 3
− 1
―
⎯
1
DD
DD
1
2
1
5
9
Unit
ns
Unit
mA
mA
µ A
µ A
%
%
%
V
V