MAX6975 Maxim Integrated Products, MAX6975 Datasheet - Page 4

• Manufacturer Part Number: MAX6975
• Description: (MAX6974 / MAX6975) 24-Output PWM LED Drivers
• Manufacturer: Maxim Integrated Products

24-Output PWM LED Drivers
for Message Boards
(V
4
DD
_______________________________________________________________________________________
= 3.3V, T
A
= +25°C, unless otherwise noted.)
55
53
51
49
47
45
35
30
25
20
15
10
5
0
3.0
0
OPERATING CURRENT CONSUMPTION
T
f
CALDAC = 0xFF
A
CLKI
T
= -40°C
A
= -40°C
1
3.1
= 32MHz
LED OUTPUT SINK CURRENT
vs. SUPPLY VOLTAGE V
T
T
A
T
A
vs. OUTPUT VOLTAGE
SUPPLY VOLTAGE V
A
= +125°C
T
= +125°C
A
= +25°C
2
OUTPUT VOLTAGE (V)
3.2
= +85°C
T
A
3
= +25°C
3.3
4
3.4
DD
T
A
(V)
5
= +85°C
DD
3.5
6
3.6
7
Typical Operating Characteristics
30
28
26
24
22
20
35
30
25
20
15
10
5
0
3.0
0
OPERATING CURRENT CONSUMPTION
f
CALDAC = 0x00
CLKI
T
T
A
A
1
3.1
LED OUTPUT SINK CURRENT
= 0MHz
= -40°C
= +125°C
vs. SUPPLY VOLTAGE V
vs. OUTPUT VOLTAGE
SUPPLY VOLTAGE V
2
OUTPUT VOLTAGE (V)
3.2
V
V
DD
3
T
DD
T
A
A
3.3
= +3.0V
= +25°C
= +3.3V
= +85°C
4
3.4
DD
(V)
5
V
DD
DD
3.5
= +3.6V
6
3.6
7