Datasheet

6 Maxim Integrated
High-Voltage HB LED Drivers with
Integrated High-Side Current Sense
MAX16833/MAX16833B–MAX16833D
Typical Operating Characteristics (continued)
(V
IN
= +12V, C
VIN
= C
VCC
= 1FF, C
LFRAMP
/C
REF
= 0.1FF, T
A
= +25NC, unless otherwise noted.)
MAX16833 toc07
TEMPERATURE (°C)
DIMOUT RISE TIME (µs)
11085-15 10 35 60
1.2
1.4
1.6
1.8
2.0
2.2
2.4
1.0
-40 125
DIMOUT RISE TIME vs. TEMPERATURE
C
DIMOUT
= 6.8nF
MAX16833 toc08
TEMPERATURE (°C)
110
85603510-15
2.0
2.5
3.0
3.5
4.0
1.5
-40 125
DIMOUT FALL TIME vs. TEMPERATURE
DIMOUT FALL TIME (µs)
C
DIMOUT
= 6.8nF
V
SENSE
vs. TEMPERATURE
MAX16833 toc09
TEMPERATURE (°C)
V
SENSE
(mV)
1108535 6010-15
196
197
198
199
200
201
202
203
204
205
195
-40 125
V
SENSE
vs. V
ICTRL
MAX16833 toc10
V
ICTRL
(V)
V
SENSE
(mV)
1.201.000.60 0.800.400.20
20
40
60
80
100
120
140
160
180
200
220
240
0
0 1.40
OSCILLATOR FREQUENCY
vs. 1/R
RT
CONDUCTANCE
(MAX16833/MAX16833B ONLY)
MAX16833 toc12
1/R
RT
(kI
-1
)
OSCILLATOR FREQUENCY (kHz)
0.1210.0920.0630.034
100
200
300
400
500
600
700
800
900
1000
1100
0
0.005 0.150
OSCILLATOR FREQUENCY vs. TEMPERATURE
(MAX16833/MAX16833B ONLY)
MAX16833 toc11
TEMPERATURE (°C)
OSCILLATOR FREQUENCY (kHz)
1108535 6010-15
292
294
296
298
300
302
304
306
308
310
290
-40 125
R
RT
= 24.9kI