lt3466efe-trpbf Linear Technology Corporation, lt3466efe-trpbf Datasheet - Page 17

• Manufacturer Part Number: lt3466efe-trpbf
• Description: White Led Driver And Boost Converter In 3mm X 3mm Dfn Package
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO S
200mA/DIV
20V/DIV
5V/DIV
CTRL2
V
OUT2
I
L2
V
V
IN
OUT2
= 3.6V
= 16V
2ms/DIV
Li-Ion Powered Driver for 6 White LEDs and OLED with Output Disconnect
6 LEDs
C
C
C
L1, L2: 33µH TOKO D52LC
Q1: SILICONIX TPO610
IN
OUT1
OUT2
U
: TAIYO YUDEN JMK107BJ105
: TAIYO YUDEN GMK316BJ105
, C
R
10Ω
OUT3
FB1
: TAIYO YUDEN TMK316BJ474
34661 TA04c
C
OUT1
1µF
OFF
33µH
ON
L1
V
FB1
CTRL1
SW1
OUT1
LT3466-1
3V TO 5V
V
R
IN
T
63.4k
1%
CTRL2
V
1µF
SW2
C
OUT2
NOTE: ENSURE THAT V
IN
FB2
L2
33µH
OFF
ON
C
0.47µF
70
90
85
80
75
65
60
55
50
0.47µF
OUT2
C
Q1
OUT3
0
V
V
IN
OUT2
OUT2
= 3.6V
5
= 16V
Conversion Efficiency
> V
IN(MAX)
LOAD CURRENT (mA)
10
R1
475k
R2
24.9k
34661 TA04a
16V
30mA
+ 5V
15
20
25
34661 TA04b
LT3466-1
30
17
34661f