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TB62777FNG,C8,EL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
TB62777FNG/FG
2010-03-08
10
Test Circuit 6: Switching Characteristics
C
L
I
OUT
V
DD
OUT0
OUT7
C
L
= 10.5 pF
F.G
V
DD
= 4.5 to 5.5 V、3 to 3.6V
GND
SERIAL-IN
LATCH
CLOCK
ENABLE
R-EXT
SERIAL-OUT
V
IH
= V
DD
V
IL
= 0 V
t
r
= t
f
= 10 ns
(10 to 90%)
V
L
= 5 V
C
L
=
10.5
p
F
R
EXT
= 1.2 kΩ
R
L
=300Ω
TB62777FNG/FG
2010-03-08
11
Timing Waveforms
1. CLOCK, SERIAL-IN, SERIAL-OUT
2. CLOCK, SERIAL-IN, LATCH, ENABLE, OUTn
3. OUTn
Note: Timing chart waveforms are presented to describe functions and operations and may be simplified. Adequate
consideration should be given to timing conditions.
t
of
10%
90%
10%
90%
t
or
OUTn
OFF
ON
t
wENA
50%
t
HOLD2
SERIAL-IN
CLOCK
50%
50% 50%
50% 50%
t
pHL1
/
LH1
t
pHL2
/
LH2
t
pHL3
/
LH3
t
wLAT
ENABLE
LATCH
OUTn
50%
50%
t
SETUP2
50%
t
wENA
t
HOLD1
t
pLH
/t
pHL
t
wCLK
50%50%
50% 50%
t
SETUP1
SERIAL-IN
CLOCK
SERIAL-OUT
50%
t
r
90%
10%
90%
10%
t
f
TB62777FNG/FG
Output Current vs. Derating (lighting rate) Graph
PCB Conditions: 76.2 × 114.3 × 1.6 mm, Cu = 30%, 35-μm Thick, SEMI-Compliant
TB62777FNG
1500
1.4
1.2
Pd-Ta
(°C)
50
T
a
100
0.0
0.2
0.4
0.6
0.8
1.0
Pd(W)
I
OUT
− Duty ON PCB
100
90
80
70
60
2010-03-08
12
Output Current vs. External Resistor (typ.)
The above graphs are presented merely as a guide and do not constitute any guarantee as to the performance or
characteristics of the device. Each product design should be fully evaluated in a real-world environment.
0
10
20
30
40
50
I
OUT
(mA)
ON PCB
All outputs ON
Ta = 85°C
V
DD
= 5.0 V
V
OUT
= 1.0 V
0 20 40 60 80 100
Duty
− Turn-ON rate (%)
I
OUT
- R
EXT
0
5
10
15
20
25
30
35
40
45
50
100 1000 10000
R
EXT
(
Ω
)
I
OUT
− R
EXT
I
OUT (A)
= 1.13 (V) ÷ R
EXT
(Ω)) × 16
Theoretical value
I
OUT
(mA)
I
OUT
(mA)
All outputs ON
Ta = 25°C
V
OUT
= 0.7 V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

TB62777FNG,C8,EL

Mfr. #:
Buy TB62777FNG,C8,EL
Manufacturer:
Toshiba
Description:
LED Lighting Drivers 8-Channel 50mA 26V LED Driver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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