Datasheet

14
LT3466
3466fa
TYPICAL APPLICATIO S
U
CTRL1 CTRL2
R
T
SW1 SW2V
IN
3V TO 5V
L2
15µH
C
IN
1µF
C
OUT1
1µF
C
OUT2
0.47µF
38.3k
1%
L1
15µH
LT3466
C
IN
: TAIYO YUDEN JMK107BJ105
C
OUT1
: TAIYO YUDEN LMK212BJ105
C
OUT2
: TAIYO YUDEN EMK212BJ474
L1, L2: MURATA LQH32CN150
V
OUT1
FB1
R
FB1
10Ω
R
FB2
10Ω
3466 TA01a
V
OUT2
FB2
OFF ON
OFF ON
Li-Ion to 2/4 White LEDs Conversion Efficiency
CTRL1 CTRL2
R
T
SW1 SW2V
IN
3V TO 5V
L2
15µH
C
IN
1µF
C
OUT1
0.47µF
C
OUT2
0.47µF
38.3k
1%
L1
15µH
LT3466
C
IN
: TAIYO YUDEN JMK107BJ105
C
OUT1
, C
OUT2
: TAIYO YUDEN GMK212BJ474
L1, L2: MURATA LQH32CN150
V
OUT1
FB1
R
FB1
10Ω
R
FB2
10Ω
3466 TA02a
V
OUT2
FB2
OFF ON
OFF ON
Li-Ion to 5/5 White LEDs Conversion Efficiency
LED CURRENT (mA)
0
70
75
85
15
3466 TA01b
65
60
510 20
55
50
80
EFFICIENCY (%)
V
IN
= 3.6V
2/4 LEDs
LED CURRENT (mA)
0
70
75
85
15
3466 TA02b
65
60
510 20
55
50
80
EFFICIENCY (%)
V
IN
= 3.6V
5/5 LEDs