
MAX1916
Low-Dropout, Constant-Current
Triple White LED Bias Supply
4 _______________________________________________________________________________________
ENABLE AND SHUTDOWN RESPONSE
MAX1916 toc08
0
20mA
0
I
LED
20mA/div
V
EN
2V/div
40µs/div
0
10
5
25
20
15
40
35
30
45
2.0 3.5 4.02.5 3.0 4.5 5.0 5.5 6.0
I
EN
SUPPLY CURRENT
vs. V
EN
SUPPLY VOLTAGE
MAX1916 toc07
V
EN
SUPPLY VOLTAGE (V)
I
EN
SUPPLY CURRENT (µA)
V
CTRL
TRANSIENT RESPONSE
MAX1916 toc09
3V
20mA
10mA
I
LED
10mA/div
V
CTRL
1V/div
10µs/div
V+ TRANSIENT RESPONSE
MAX1916 toc10
4V
20mA
10mA
I
LED
10mA/div
V+
1V/div
20µs/div
Typical Operating Characteristics (continued)
(V
EN
= 3.3V, V
CTRL
= 3.3V, R
SET
= 24.9kΩ, V+ = 5V, T
A
= +25°C, unless otherwise noted.) (Circuit of Figure 1)
Comentarios a estos manuales