MAX6972 查看數據表（PDF） - Maxim Integrated
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MAX6972 Datasheet PDF : 23 Pages
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16-Output PWM LED Drivers
for Message Boards
(VDD = 3.3V, TA = +25°C, unless otherwise noted.)
OPERATING CURRENT CONSUMPTION
vs. SUPPLY VOLTAGE VDD
47
fCLKI = 32MHz
CALDAC = 0xFF
45
TA = +25°C
TA = -40°C
43
41
TA = +125°C
TA = +85°C
39
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE VDD (V)
LED OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
70
TA = -40°C
60
50
40
30
TA = +25°C
TA = +125°C
TA = +85°C
20
10
0
01 234 5 67
OUTPUT VOLTAGE (V)
Typical Operating Characteristics
OPERATING CURRENT CONSUMPTION
vs. SUPPLY VOLTAGE VDD
25
fCLKI = 0MHz
CALDAC = 0x00
23
TA = -40°C TA = +25°C
21
19
TA = +125°C
17
TA = +85°C
15
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE VDD (V)
LED OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
70
VDD = +3.0V
60
50
40
VDD = +3.3V VDD = +3.6V
30
20
10
0
01 234 5 67
OUTPUT VOLTAGE (V)
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