Typical operating characteristics – Rainbow Electronics MAX6973 User Manual
Page 4
MAX6972/MAX6973
16-Output PWM LED Drivers
for Message Boards
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 3.3V, T
A
= +25°C, unless otherwise noted.)
OPERATING CURRENT CONSUMPTION
vs. SUPPLY VOLTAGE V
DD
MAX6972/73 toc01
SUPPLY VOLTAGE V
DD
(V)
I
DD
(mA)
3.5
3.4
3.3
3.2
3.1
41
43
45
47
39
3.0
3.6
T
A
= -40
°C
f
CLKI
= 32MHz
CALDAC = 0xFF
T
A
= +25
°C
T
A
= +85
°C
T
A
= +125
°C
OPERATING CURRENT CONSUMPTION
vs. SUPPLY VOLTAGE V
DD
MAX6972/73 toc02
SUPPLY VOLTAGE V
DD
(V)
I
DD
(mA)
3.5
3.4
3.3
3.2
3.1
19
21
23
25
15
17
3.0
3.6
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
T
A
= +125
°C
f
CLKI
= 0MHz
CALDAC = 0x00
LED OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
MAX6972/73 toc03
OUTPUT VOLTAGE (V)
I
SINK
(mA)
5
4
3
2
1
20
50
60
30
40
70
0
10
0
6
7
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
T
A
= +125
°C
LED OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
MAX6972/73 toc04
OUTPUT VOLTAGE (V)
I
SINK
(mA)
5
4
3
2
1
20
50
60
30
40
70
0
10
0
6
7
V
DD
= +3.0V
V
DD
= +3.3V
V
DD
= +3.6V