LT3466 Linear Technology, LT3466 Datasheet - Page 17

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

TYPICAL APPLICATIO S
1.8V TO 3V
C
C
C
L1, L2: MURATA LQH32CN150
IN1
IN2
OUT1
V
CC
C
1 F
: TAIYO YUDEN EMK107BJ104
: TAIYO YUDEN JMK107BJ105
OUT1
R
16.5
, C
FB1
OUT2
C
: TAIYO YUDEN GMK316BJ105
OUT1
1 F
C
1 F
IN2
R
10
C
C
L1, L2: TOKO A920CY-680M
Li-Ion to 10/10 White LEDs
2 AA Cells to 2/2 White LEDs
FB1
IN
OUT1
68 H
: TAIYO YUDEN JMK107BJ105
15 H
L1
, C
V
FB1
CTRL1
SW1
L1
OUT1
OUT2
V
FB1
CTRL1
SW1
OUT1
: TAIYO YUDEN UMK325BJ105
3V TO 5V
LT3466
LT3466
V
R
IN
3.3V
T
V
R
147k
1%
IN
T
63.4k
1%
CTRL2
1 F
V
SW2
C
OUT2
CTRL2
IN
V
FB2
SW2
OUT2
U
FB2
L2
68 H
L2
15 H
C
1 F
C
0.1 F
OUT2
IN1
R
10
3466 TA08a
FB2
R
16.5
3466 TA07a
FB2
C
1 F
OUT2
90
85
80
70
60
75
65
55
50
75
70
60
65
0
0
V
10/10 LEDs
V
2/2 LEDs
IN
IN
= 3.6V
= 2.4V
Conversion Efficiency
Conversion Efficiency
5
LED CURRENT (mA)
LED CURRENT (mA)
4
10
8
15
3466 TA07b
3466 TA08b
12
20
LT3466
17
3466f