Typical operating characteristics – Rainbow Electronics MAX16834 User Manual
Page 5
MAX16834
High-Power LED Driver with Integrated High-Side LED
Current Sense and PWM Dimming MOSFET Driver
_______________________________________________________________________________________
5
V
REF
vs. TEMPERATURE
MAX16834 toc01
TEMPERATURE (
°C)
V
REF
(V)
110
95
-25 -10 5
35 50 65
20
80
3.60
3.62
3.64
3.66
3.68
3.70
3.72
3.74
-40
125
V
IN
= 12V
V
REF
vs. SUPPLY VOLTAGE
MAX16834 toc02
SUPPLY VOLTAGE (V)
V
REF
(V)
24
20
16
12
8
3.55
3.60
3.65
3.70
3.75
3.80
3.50
4
28
V
REF
vs. I
REF
MAX16834 toc03
I
REF
(mA)
V
REF
(V)
9
8
1
2
3
5
6
4
7
3.6985
3.6990
3.6995
3.7000
3.7005
3.7010
3.7015
3.7020
3.6980
0
10
V
IN
= 12V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16834 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
24
20
16
12
8
2
4
6
8
10
12
14
16
18
20
0
4
28
PWMDIM = 0
SUPPLY CURRENT
vs. TEMPERATURE
MAX16834 toc05
TEMPERATURE (
°C)
SUPPLY CURRENT (mA)
110
95
65 80
-10 5
20 35 50
-25
1
2
3
4
5
6
7
8
9
10
0
-40
125
V
IN
= 12V
PWMDIM = 0
RT vs. SWITCHING FREQUENCY
MAX16834 toc06
SWITCHING FREQUENCY (kHz)
RT (k
Ω
)
10
100
1
1000
100
V
IN
= 12V
SWITCHING FREQUENCY
vs. TEMPERATURE
MAX16834 toc07
TEMPERATURE (
°C)
SWITCHING FREQUENCY (kHz)
110
95
65 80
-10 5
20 35 50
-25
592
593
594
595
596
597
598
599
600
601
602
603
604
605
591
590
-40
125
V
IN
= 12V
V
CC
vs. I
CC
MAX16834 toc08
I
CC
(mA)
V
CC
(V)
90
80
60 70
20 30 40 50
10
6.92
6.94
6.96
6.98
7.00
7.02
7.04
7.06
7.08
7.10
7.12
7.14
7.16
6.90
0
100
V
IN
= 12V
V
CC
vs. I
CC
MAX16834 toc09
I
CC
(mA)
V
CC
(V)
90
80
70
60
50
40
30
20
10
6.9
7.0
7.1
7.2
6.8
0
100
V
IN
= 12V
T
A
= +125
°C
T
A
= +100
°C
T
A
= +25
°C
T
A
= -40
°C
Typical Operating Characteristics
(V
IN
= V
HV
= 12V, V
UVEN
= 5V, V
LV
= V
PWMDIM
= SGND, C
VCC
= 4.7µF, C
LCV
= 100nF, C
REF
= 100nF, R
SENSE+
= 0.1
Ω,
R
RT
= 10k
Ω, T
A
= +25°C, unless otherwise noted.)