tb62778fng Marktech Optoelectronics, tb62778fng Datasheet - Page 5

• Manufacturer Part Number: tb62778fng
• Description: 8-channel Constant-current Led Driver Of The 3.3-v And 5-v Power Supply Voltage Operation
• Manufacturer: Marktech Optoelectronics

Absolute Maximum Ratings
Operating Ranges
Supply voltage
Input voltage
Output current
Output voltage
Power dissipation
Thermal resistance
Operating temperature range
Storage temperature range
Maximum junction temperature
Note 1: However, do not exceed 6.0 V.
Note 2: When mounted on a PCB (76.2 × 114.3 × 1.6 mm; Cu = 30%; 35- µ m-thick; SEMI-compliant)
Note 3: Power dissipation is reduced by 1/R
Supply voltage
Output voltage
Output current
Input voltage
Clock frequency
CLOCK pulse width
Setup time
Hold time
Maximum clock rise time
Maximum clock fall time
Note 1: For cascade operation, the CLOCK waveform might become ambiguous, causing the t
Note 2: Please see the timing waveform on page 13.
LATCH pulse width
ENABLE pulse width
large. Then it may not be possible to meet the timing requirement for data transfer. Please consider the timing
carefully.
Characteristics
Characteristics
(unless otherwise specified, Ta = − 40°C to 85°C)
(Ta = 25°C)
t
t
t
t
Symbol
R
Symbol
t
t
t
t
SETUP1
SETUP2
SETUP3
SETUP4
t
t
HOLD1
HOLD2
HOLD3
HOLD4
V
V
t
I
I
wCLK
wENA
V
th (j-a)
T
V
f
wLAT
T
V
OUT
OUT
I
I
V
V
CLK
OUT
P
OUT
OH
OL
T
DD
opr
stg
DD
t
t
IN
IH
IL
r
f
d
j
th (j-a)
SERIAL-OUT
SERIAL-OUT
SERIAL-IN/CLOCK/
Cascade connection
I
5 mA ≤ I
Single operation
LATCH / ENABLE
OUT
OUT
OUT
TENTATIVE
for each °C above 25°C ambient.
0
0
≥ 20 mA
− 0.3 to V
to
to
5
OUT
− 55 to 150
− 40 to 85
1.02 (Notes 2 and 3)
0.3 to 25
OUT
OUT
Rating
Test Condition
≤ 20 mA
122
150
6.0
DD
55
7
7
+ 0.3 (Note 1)
⎯
(Note 2)
(Notes 1 and 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
mA/ch
°C/W
Unit
°C
°C
°C
W
V
V
V
0.7 ×
GND
V
Min
0.4
⎯
⎯
⎯
20
20
10
10
⎯
⎯
DD
3
5
2
3
5
5
5
5
5
5
(Ver.0.0) 08-02-07
Typ.
r
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
and t
TB62778FNG
f
0.3 ×
values to be
Max
V
V
5.5
40
− 5
25
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
4
5
DD
DD
5
5
mA/ch
MHz
Unit
mA
ns
µ s
ns
µ s
V
V
V