MAX16838_11 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – Integrated, 2-Channel, High-Brightness LED Driver with High-Voltage Boost and SEPIC Controller

Integrated, 2-Channel, High-Brightness LED Driver
with High-Voltage Boost and SEPIC Controller
Typical Operating Characteristics (continued)
(VIN = VEN = 12V, RRT = 12.2kI, RISET = 15kI, CVCC = 1FF, VCC = VDRV = VCFB, VDRAIN = VCOMP = VOUT_, FLT = unconnected,
VOV = VCS = VLEDGND = VDIM = VPGND = VSGND = 0V, VGATE = VNDRV, TA = +25NC, unless otherwise noted.)
IIN vs. FREQUENCY
10
9
8
7
6
5
4
3
2
1
VIN = 12V
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
FREQUENCY (MHz)
SWITCHING FREQUENCY
vs. TEMPERATURE
360
359
358
357
356
355
354
353
352
351
VIN = 12V
350
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VISET vs. TEMPERATURE
1.223
1.222
1.221
1.220
1.219
1.218
1.217
1.216
VIN = 12V
V_DIM = 0V
1.215
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VISET vs. ILED
1.230
VIN = 12V
1.230
1.230
1.229
1.229
1.229
20 40 60 80 100 120 140 160
ILED (mA)
VEN_TH vs. TEMPERATURE
1.30
EN LEAKAGE CURRENT
vs. TEMPERATURE
300
1.25
V_EN RISING
1.20
VEN FALLING
1.15
250
200
VEN = 40V
150
100
VEN = 12V
50
1.10
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
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