Datasheet

17
LT3466-1
34661f
TYPICAL APPLICATIO S
U
Li-Ion Powered Driver for 6 White LEDs and OLED with Output Disconnect
Conversion Efficiency
CTRL1 CTRL2
R
T
SW1 SW2V
IN
3V TO 5V
Q1
L2
33µH
C
IN
1µF
C
OUT1
1µF
C
OUT2
0.47µF
63.4k
1%
L1
33µH
LT3466-1
C
IN
: TAIYO YUDEN JMK107BJ105
C
OUT1
: TAIYO YUDEN GMK316BJ105
C
OUT2
, C
OUT3
: TAIYO YUDEN TMK316BJ474
L1, L2: 33µH TOKO D52LC
Q1: SILICONIX TPO610
NOTE: ENSURE THAT V
OUT2
> V
IN(MAX)
+ 5V
V
OUT1
FB1
R
FB1
10
R2
24.9k
34661 TA04a
V
OUT2
FB2
16V
30mA
R1
475k
ONOFFONOFF
C
OUT3
0.47µF
6 LEDs
LOAD CURRENT (mA)
0
EFFICIENCY (%)
65
70
75
15
25
34661 TA04b
60
55
50
510 20
80
85
90
30
V
IN
= 3.6V
V
OUT2
= 16V
V
OUT2
20V/DIV
2ms/DIVV
IN
= 3.6V
V
OUT2
= 16V
34661 TA04c
I
L2
200mA/DIV
CTRL2
5V/DIV