LT3466 Linear Technology, LT3466 Datasheet - Page 16

• 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
16
R
10
R
16.5
FB1
FB1
C
C
2.2 F
OUT1
OUT1
1 F
C
C
L1, L2: TOKO A918CE-470M
C
C
L1, L2: TOKO A920CY-680M
IN
OUT1
IN
OUT1
Li-Ion to 8/8 White LEDs
Li-Ion to 9/9 White LEDs
47 H
: TAIYO YUDEN JMK107BJ105
68 H
: TAIYO YUDEN JMK107BJ105
L1
, C
L1
, C
V
FB1
CTRL1
V
FB1
CTRL1
SW1
OUT1
SW1
OUT2
OUT1
OUT2
: TAIYO YUDEN GMK325BJ225
: TAIYO YUDEN UMK325BJ105
3V TO 5V
3V TO 5V
LT3466
LT3466
V
V
R
R
IN
IN
T
T
63.4k
1%
147k
1%
CTRL2
CTRL2
1 F
V
SW2
1 F
V
C
SW2
C
OUT2
OUT2
IN
IN
FB2
FB2
U
L2
47 H
L2
68 H
C
2.2 F
C
1 F
OUT2
OUT2
R
10
R
16.5
3466 TA05a
3466 TA06a
FB2
FB2
90
85
60
80
75
70
65
85
55
50
80
75
70
65
60
0
0
V
9/9 LEDs
V
8/8 LEDs
IN
IN
= 3.6V
= 3.6V
Conversion Efficiency
Conversion Efficiency
5
LED CURRENT (mA)
LED CURRENT (mA)
4
10
8
15
3466 TA06b
3466 TA05b
12
20
3466f