MAX6983 Maxim Integrated Products, MAX6983 Datasheet - Page 5

• Manufacturer Part Number: MAX6983
• Description: 36V Constant-Current LED Driver
• Manufacturer: Maxim Integrated Products

(INTERFACE IDLE, ALL OUTPUTS ON, R
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
45
40
35
30
25
20
15
(T
30
25
20
15
10
5
0
A
3.0
= +25°C, unless otherwise noted.)
0
16-Port, 36V Constant-Current LED Driver with
T
A
T
(R
= -40°C
A
SET
= +125°C
0.5
3.5
T
PORT OUTPUT VOLTAGE (V)
= 720Ω, V+ = 5.0V)
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
A
T
SUPPLY VOLTAGE (V)
T
= +125°C
A
T
A
A
1.0
= -40°C
= +85°C
= +25°C
4.0
49
48
47
46
1.5
3.0
_______________________________________________________________________________________
T
A
4.5
= +85°C
(R
T
T
A
SET
2.0
A
= -40°C
3.5
T
= +125°C
A
SET
= 360Ω, V
= +25°C
5.0
SUPPLY VOLTAGE (V)
2.5
= 360Ω)
4.0
LED Fault Detection and Watchdog
5.5
T
T
3.0
A
A
OUT
= +25°C
= +85°C
4.5
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
= 2V)
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
30
25
20
15
10
60
50
40
30
20
10
5.0
Typical Operating Characteristics (continued)
5
0
0
0
0
T
T
(R
A
A
5.5
= -40°C
= -40°C
SET
0.5
0.5
(R
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT VOLTAGE (V)
= 720Ω, V+ = 3.3V)
SET
T
T
T
A
T
A
A
1.0
1.0
T
T
A
= +125°C
= +85°C
= 360Ω V+ = 5.0V)
A
A
= +125°C
= +25°C
= +25°C
= +85°C
1.5
1.5
2.0
2.0
PORT OUTPUT CURRENT vs. R
50
40
30
20
10
2.5
2.5
0
0
3.0
3.0
1
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
R
SET
(V+ = 5.0V)
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE
RESISTANCE (kΩ)
60
50
40
30
20
10
2
0
0
25.0
24.5
24.0
23.5
23.0
T
A
(R
= -40°C
3.0
3
SET
0.5
SET
PORT OUTPUT VOLTAGE (V)
(R
T
= 360Ω, V+ = 3.3V)
A
T
RESISTANCE
SET
= +125°C
A
T
1.0
T
3.5
4
= +125°C
A
A
PORT OUTPUT VOLTAGE (V)
= +85°C
= +25°C
= 720Ω, V
T
A
1.5
w
= -40°C
4.0
5
2.0
OUT
T
A
w
= +85°C
4.5
= 2V)
2.5
T
w
A
= +25°C
5.0
5
3.0
.
5.5
D
a