Typical operating characteristics (continued) – Rainbow Electronics MAX16803 User Manual
Page 4
MAX16803
High-Voltage, 350mA, High-Brightness LED
Driver with PWM Dimming and 5V Regulator
4
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= V
EN
= +12V, T
A
= +25°C, unless otherwise noted.)
DROPOUT VOLTAGE
vs. TEMPERATURE
MAX16803 toc04
TEMPERATURE (°C)
DROPOUT VOLTAGE (V)
110
95
65 80
-10 5
20 35 50
-25
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
-40
125
I
LOAD
= 350mA
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX16803 toc05
TEMPERATURE (°C)
SHUTDOWN CURRENT (
µ
A)
110
95
80
65
50
35
20
5
-10
-25
5
10
15
20
25
30
35
0
-40
125
V
IN
= 40V
V
IN
= 20V
V
IN
= 12V
V
IN
= 6.5V
+5V REGULATOR OUTPUT
vs. TEMPERATURE
MAX16803 toc06
TEMPERATURE (°C)
5V REGULATOR OUTPUT (V)
110
95
80
65
50
35
20
5
-10
-25
5.1
5.2
5.3
5.4
5.5
5.0
-40
125
I
LOAD
= 1mA
NO LOAD
I
LOAD
= 5mA
(V
CS+
- V
CS-
) vs. I
V5
MAX16803 toc07
I
V5
(mA)
(V
CS+
- V
CS-
) (V)
7
6
4
5
2
3
1
0.199
0.200
0.201
0.202
0.203
0.204
0.205
0.206
0.207
0.208
0.209
0.210
0.198
0
8
I
LOAD
= 410mA
+5V REGULATOR OUTPUT vs. V
IN
MAX16803 toc08
V
IN
(V)
5V REGULATOR OUTPUT (V)
35
30
25
20
15
10
5.15
5.20
5.25
5.30
5.10
5
40
LOAD = 1mA
NO LOAD
LOAD = 5mA
200Hz DIMMED OPERATION
MAX16803 toc09
20µs/div
V
DIM
2V/div
I
LOAD
200mA/div
0A
I
LOAD
= 350mA
V
IN
= V
EN
= 12V
DIM PULSED AT
200Hz (1%
DUTY CYCLE)
0V
200Hz DIMMED OPERATION (EXPANDED)
MAX16803 toc10
20µs/div
V
DIM
2V/div
I
LOAD
200mA/div
0A
I
LOAD
= 350mA
V
IN
= V
EN
= 12V
DIM PULSED AT
200Hz (50%
DUTY CYCLE)
0V
200Hz DIMMED OPERATION (EXPANDED)
MAX16803 toc11
20µs/div
V
DIM
2V/div
I
LOAD
200mA/div
0A
I
LOAD
= 350mA
V
IN
= V
EN
= 12V
DIM PULSED AT
200Hz (50%
DUTY CYCLE)
0V