Integrated 16-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
Typical Operating Characteristics (continued)
(V CC = +15V, V+ = 3V to 5.5V, R T = 10k Ω , C T = 3.3nF, V REF = COMP = open, C REF = 0.1μF, V FB = 2V, CS = AGND = PGND = 0V.
Typical values are at T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF, R SET = 360 Ω )
3.70
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R SET = 720 Ω )
45
3.65
T A = +125°C
T A = +85°C
40
T A = +125°C
T A = +85 ° C
35
3.60
T A = +25°C
30
3.55
T A = -40°C
25
20
T A = -40 ° C
T A = +25 ° C
3.50
15
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R SET = 360 Ω )
45
SUPPLY VOLTAGE (V)
OUT_ _ CURRENT vs. OUT_ _ VOLTAGE
(R SET = 720 Ω , V+ = 3.3V)
30
T A = -40°C
40
35
30
25
T A = +125°C
T A = +85 ° C
25
20
15
10
T A = +25°C
T A = +85°C
T A = +125°C
T A = +25 ° C
20
15
T A = -40 ° C
5
0
3.0
3.5
4.0
4.5
5.0
5.5
0
0.5
1.0
1.5
2.0
2.5
3.0
SUPPLY VOLTAGE (V)
OUT_ _ CURRENT vs. OUT_ _ VOLTAGE
(R SET = 360 Ω , V+ = 3.3V)
60
T A = -40°C
50
OUT_ _ VOLTAGE (V)
OUT_ _ CURRENT vs. OUT_ _ VOLTAGE
(R SET = 720 Ω , V+ = 5.0V)
30
T A = -40°C
25
40
30
20
10
0
T A = +25°C
T A = +85°C
T A = +125°C
20
15
10
5
0
T A = +25°C
T A = +85°C
T A = +125°C
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
OUT_ _ VOLTAGE (V)
OUT_ _ VOLTAGE (V)
_______________________________________________________________________________________
9
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