Rainbow Electronics MAX6971 - Manual (Page 5)

MAX6971
16-Port, 36V Constant-Current LED Driver
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
15
20
30
25
45
40
35
3.0 4.0 3.5 4.5 5.0 5.5
MAX6971 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R SET = 360 Ω)
T A = +125 °C
T A = +85 °C
T
A
= +25 °C
T A = -40 °C
0
10
5
20
15
25
30
0 1.0 1.5 0.5 2.0 2.5 3.0
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 Ω, V+ = 3.3V)
MAX6971 toc05
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT (mA)
T A = +125 °C
T A = +85 °C
T A = +25 °C
T A = -40 °C
0
20
10
40
30
50
60
0 1.0 1.5 0.5 2.0 2.5 3.0
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 Ω, V+ = 3.3V)
MAX6971 toc06
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT (mA)
T A = +125 °C
T
A
= +85 °C
T A = -40 °C
T A = +25 °C
0
10
5
20
15
25
30
0 1.0 1.5 0.5 2.0 2.5 3.0
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 Ω, V+ = 5.0V)
MAX6971 toc07
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT (mA)
T A = +125 °C
T A = +85 °C
T A = +25 °C
T
A
= -40 °C
0
20
10
40
30
50
60
0 1.0 1.5 0.5 2.0 2.5 3.0
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 Ω, V+ = 5.0V)
MAX6971 toc08
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT (mA)
T A = +125 °C
T A = +85 °C
T
A
= +25 °C
T A = -40 °C
25.0
24.5
24.0
23.5
23.0
3.0 4.0 3.5 4.5 5.0 5.5
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 720 Ω, V
OUT = 2V)
MAX6971 toc09
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT (mA)
T A = +25 °C
T A = -40 °C
T A = +85 °C
T A = +125 °C
49
48
47
46
3.0 4.0 3.5 4.5 5.0 5.5
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 360 Ω, V
OUT = 2V)
MAX6971 toc10
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT (mA) T
A
= +125 °C
T A = +85 °C
T A = +25 °C
T A = -40 °C
0
10
30
20
40
50
0 2 1 3 4 5
PORT OUTPUT CURRENT
vs. R SET RESISTANCE (V+ = 5.0V)
MAX6971 toc11
R SET RESISTANCE (k Ω)
PORT OUTPUT CURRENT (mA)