lt3466efe-trpbf Linear Technology Corporation, lt3466efe-trpbf Datasheet - Page 18

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

LT3466-1
TYPICAL APPLICATIO S
18
+8V OUTPUT
–8V OUTPUT
10V/DIV
10V/DIV
5V/DIV
CTRL2
V
+8V/10mA
–8V/10mA
IN
= 3.6V
2ms/DIV
10 LEDs
Li-Ion to 10 White LEDs and LCD Bias (±8V) with Output Disconnect
C
C
C
C1, C2: TAIYO YUDEN UMK212BJ104
D1, D2: PHILIPS BAT54S
L1: 68µH TOKO D52LC
L2: 33µF TOKO D52LC
IN
OUT1
OUT2
: TAIYO YUDEN JMK107BJ105
U
R
16.5Ω
FB1
: TAIYO YUDEN UMK325BJ105
, C
OUT3
C
OUT1
: TAIYO YUDEN GMK316BJ105
1µF
34661 TA05c
OFF
68µH
ON
L1
V
FB1
CTRL1
SW1
OUT1
LT3466-1
3V TO 5V
V
R
IN
T
147k
CTRL2
V
1µF
SW2
C
OUT2
IN
FB2
L2
33µH
OFF
ON
0.1µF
0.1µF
C1
C2
84
82
74
72
80
78
76
0
D1
V
10 LEDs
+8V/10mA
–8V/10mA
IN
= 3.6V
D2
2
909k
10k
Conversion Efficiency
34661 TA05a
LED CURRENT (mA)
4
C
1µF
C
1µF
OUT2
OUT3
–8V
10mA
8V
10mA
6
8
10
34661 TA05b
12
34661f