LT3466 Linear Technology, LT3466 Datasheet - Page 14

• Manufacturer Part Number: LT3466
• Description: Dual Full Function White LED Step-Up Converter with Built-In Schottky Diodes
• Manufacturer: Linear Technology

LT3466
TYPICAL APPLICATIO S
14
C
C
C
L1, L2: MURATA LQH32CN150
IN
OUT1
OUT2
: TAIYO YUDEN JMK107BJ105
C
C
L1, L2: MURATA LQH32CN150
: TAIYO YUDEN LMK212BJ105
: TAIYO YUDEN EMK212BJ474
IN
OUT1
R
10
R
10
FB1
: TAIYO YUDEN JMK107BJ105
FB1
, C
0.47 F
C
OUT2
C
OUT1
OUT1
1 F
: TAIYO YUDEN GMK212BJ474
Li-Ion to 2/4 White LEDs
Li-Ion to 5/5 White LEDs
15 H
15 H
L1
L1
V
FB1
CTRL1
V
FB1
CTRL1
SW1
OUT1
SW1
OUT1
3V TO 5V
3V TO 5V
LT3466
LT3466
V
R
V
R
IN
T
IN
T
38.3k
1%
38.3k
1%
CTRL2
1 F
V
CTRL2
C
SW2
V
1 F
SW2
C
OUT2
IN
OUT2
FB2
IN
FB2
U
L2
15 H
L2
15 H
C
0.47 F
C
0.47 F
OUT2
OUT2
R
10
3466 TA01a
R
10
3466 TA02a
FB2
FB2
85
55
50
85
55
50
80
75
70
65
60
80
75
70
65
60
0
0
V
2/4 LEDs
V
5/5 LEDs
IN
IN
= 3.6V
= 3.6V
Conversion Efficiency
Conversion Efficiency
5
5
LED CURRENT (mA)
LED CURRENT (mA)
10
10
15
15
3466 TA01b
3466 TA02b
20
20
3466f