Datasheet

LT3590
13
3590f
LED CURRENT (mA)
0
EFFICIENCY (%)
55
60
65
30
50
50
45
40
10 20 40
70
75
80
3590 TA05b
12V
24V
Conversion Effi ciency
TYPICAL APPLICATIONS
V
IN
12V OR 24V
CONTROL
>1.5V
CTRL
V
IN
R1
4
Ω
50mA
LT3590
VREG SW
LED
GND
C2
2.2μF
C3
0.1μF
C1
1μF
3590 TA05a
L1
220μH
12V or 24V Supply for a Single LED, 50mA Current
Conversion Effi ciency
48V Supply for Two Strings of 10 LEDs, 25mA Current
V
IN
48V
CONTROL
>1.5V
CTRL
V
IN
R1
4Ω
25mA
LT3590
VREG SW
LED
GND
C2
1μF
C3
0.1μF
C1
1μF
3590 TA06a
L1
470μH
25mA
Conversion Effi ciency
12V Supply for a 3 LED String, 50mA Current
V
IN
12V
CONTROL
>1.5V
L1: MURATA LQH32CN-221
CTRL
V
IN
R1
4
Ω
50mA
LT3590
VREG SW
LED
GND
C2
1μF
C3
0.1μF
C1
1μF
3590 TA07a
L1
220μH
LED CURRENT (mA)
0
40
EFFECIENCY (%)
50
60
70
80
90
100
5101520
3590 TA06b
25
LED CURRENT (mA)
0
EFFICIENCY (%)
70
80
90
30
50
60
50
40
10 20 40
100
3590 TA07b