MAX16835
High-Voltage, 350mA, Adjustable Linear
High-Brightness LED Driver
Typical Operating Characteristics (continued)
(V IN = V EN = +12V, T A = +25°C, unless otherwise noted.)
1.0
0.9
DROPOUT VOLTAGE
vs. TEMPERATURE
100
90
SHUTDOWN CURRENT
vs. TEMPERATURE
5.2
+5V REGULATOR OUTPUT
vs. TEMPERATURE
0.8
0.7
0.6
I LOAD = 350mA
80
70
60
V IN = 40V
V IN = 20V
5.1
I V5 = 1mA
NO LOAD
0.5
0.4
50
40
5.0
0.3
0.2
0.1
30
20
10
0
V IN = 12V
V IN = 6.5V
4.9
I V5 = 5mA
0
0.206
0.204
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
(V CS+ - V CS- ) vs. I V5
5.2
5.1
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
+5V REGULATOR OUTPUT vs. V IN
4.8
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
200Hz DIMMED OPERATION
MAX16835 toc09
V IN
5V/div
0.202
NO LOAD
I V5 = 5mA
0V
5.0
0.200
0.198
0.196
I LOAD = 350mA
4.9
4.8
I V5 = 5mA
I LOAD = 350mA, V IN = V EN ,
V IN PULSED AT 200Hz (50% DUTY CYCLE)
I LOAD
200mA/div
0
0
1
2
3
4
5
5
10
15
20
25
30
35
40
1ms/div
I V5 (mA)
V IN (V)
200Hz DIMMED OPERATION EXPANDED
MAX16835 toc10
V IN
200Hz DIMMED OPERATION EXPANDED
MAX16835 toc11
V IN
200Hz DIMMED OPERATION
MAX16835 toc12
5V/div
0V
5V/div
0V
EN
10V/div
0V
I LOAD = 350mA
V IN = V EN
V IN PULSED AT 200Hz
(50% DUTY CYCLE)
I LOAD
200mA/div
0
I LOAD = 350mA
V IN = V EN
V IN PULSED AT 200Hz
(50% DUTY CYCLE)
I LED
200mA/div
0
I LED
200mA/div
0
I LOAD = 350mA, V IN = 12V,
EN PULSED AT 200Hz (50% DUTY CYCLE)
4
20 μ s/div
4 μ s/div
1ms/div
Maxim Integrated
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