tca62746fg TOSHIBA Semiconductor CORPORATION, tca62746fg Datasheet - Page 16

• Manufacturer Part Number: tca62746fg
• Description: 16-output Constant Current Led Driver With Output Open/short Detection
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Reference data
*This data is a reference value, and no guarantee value.
Output Current – Duty (LEDS turn-on rate)
Output Current – R
50
45
40
35
30
25
20
15
10
60
50
40
30
20
10
60
50
40
30
20
10
5
0
0
0
0
0
0
V
Ta=25°C
V
ON PCB
V
Ta=85°C
V
ON PCB
DD
O
DD
O
Ta=25°C
V
=1.0V
=1.0V
O
=5.5V
=5.5V
=1.0V
1000
20
20
Theoretical value
I
Duty - Turn on rate (%)
Duty - Turn on rate (%)
EXT
2000
I
I
O
I
O
O
40
40
O
(mA) = (1.23(V) ÷ R
- Duty
- Duty
- R
R
Resistor
EXT
EXT
(Ω)
3000
60
60
EXT
TCA62746FG
TCA62746FNG
TCA62746FG
TCA62746FNG
4000
( Ω )) × 19
80
80
5000
100
100
16
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
60
50
40
30
20
10
0
0
0
V
Ta=55°C
V
ON PCB
ON PCB
DD
O
=1.0V
=5.5V
10
20
20
30
Duty - Turn on rate (%)
I
TCA62746FG/FNG
O
P
40
D
- Duty
40
- Ta
Ta (℃)
50
60
60
2006-10-23
TCA62746FG
TCA62746FNG
TCA62746FG
TCA62746FNG
70
80
80
100
90