MAX16839 Datasheet, PDF (4/11 Pages) Maxim Integrated Products – High-Voltage, Linear High-Brightness LED Driver with Open-LED Fault Detect

High-Voltage, Linear High-Brightness LED
Driver with Open-LED Fault Detect
Typical Operating Characteristics
(VIN = 12V, RCS = 4.07I from CS to GND, CFLTS = 0.1FF, CIN = 0.1FF, DIM input unconnected, TA = +25NC, unless otherwise noted.
Typical values are at T_A = +25NC.)
OUTPUT CURRENT vs. TEMPERATURE
17.0
ILOAD = 16mA
16.9
16.8
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
OUTPUT CURRENT vs. TEMPERATURE
50.0
I_LOAD = 50mA
49.9
49.8
49.7
49.6
49.5
49.4
49.3
49.2
49.1
49.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
OUTPUT CURRENT vs. TEMPERATURE
99.0
I_LOAD = 100mA
98.8
98.6
98.4
98.2
98.0
97.8
97.6
97.4
97.2
97.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
VCS vs. OUTPUT CURRENT
205.0
204.5
VIN = 12V
204.0
203.5
203.0
202.5
202.0
201.5
201.0
200.5
200.0
10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
OUTPUT CURRENT vs. INPUT VOLTAGE
120
IILED = 100mA
100
80
60
IILED = 50mA
40
20
IILED = 15mA
0
5 10 15 20 25 30 35 40
VIN (V)
RDS(ON) VS. TEMPERATURE
3.0
VIN = 12V
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
QUIESCENT CURRENT
vs. TEMPERATURE
400
VIN = 12V
375
350
325
300
275
250
225
200
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
LED CURRENT RISE TIME
MAX16839 toc06
V_DIM
2V/div
0V
LED CURRENT FALL TIME
MAX16839 toc07
V_DIM
2V/div
0V
2Fs/div
LED CURRENT
50mA/div
0
2Fs/div
LED CURRENT
50mA/div
0
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