lt3466efe-trpbf Linear Technology Corporation, lt3466efe-trpbf Datasheet - Page 20

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

RELATED PARTS
TYPICAL APPLICATIO
LT3466-1
PART NUMBER
LT1618
LT1932
LT1937
LTC
LTC3202
LTC3205
LTC3216
LTC3453
LT3465/LT3465A
LT3466
LT3479
ThinSOT is a trademark of Linear Technology Corporation.
20
8 LEDs
®
3200-5
R
13.3Ω
C
C
C1: TAIYO YUDEN UMK212BJ104
L1, L2: 33µH TOKO D52LC
D1: PHILIPS BAT54S
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Li-Ion to 8 White LEDs and ±15V TFT LCD Bias Supply
FB1
IN
OUT1
: TAIYO YUDEN JMK107BJ105
, C
C
OUT1
OUT2
1µF
DESCRIPTION
Constant Current, Constant Voltage 1.4MHz, High Efficiency
Boost Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Low Noise, 2MHz, Regulated Charge Pump White LED Driver
Low Noise, 1.5MHz, Regulated Charge Pump White LED Driver
High Efficiency, Multidisplay LED Controller
1A Low Noise High Current LED Charge Pump with Independent
Flash/Torch Current Control
500mA Synchronous Buck-Boost High Current LED Driver
in Q FN
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
Dual Constant Current, 2MHz High Efficiency White LED Boost
Regulator with Integrated Schottky Diode
3A, Full Featured DC/DC Converter with Soft-Start and Inrush
Current Protection
, C
OFF
OUT3
●
33µH
ON
FAX: [phone]
: TAIYO YUDEN GMK316BJ105
L1
V
FB1
CTRL1
OUT1
SW1
3V TO 5V
LT3466-1
R
V
T
IN
63.4k
U
CTRL2
SW2
V
1µF
C
OUT2
IN
FB2
L2
33µH
●
OFF
www.linear.com
ON
0.1µF
C1
475k
26.7k
D1
34661 TA06a
C
1µF
C
1µF
–15V
10mA
15V
10mA
OUT3
OUT2
COMMENTS
ThinSOT
ThinSOT, SC70 Packages
V
ThinSOT Package
MS/EDD Packages
V
QFN-24 Package
DFN Package
QFN Package
V
ThinSOT Package
DFN/TSSOP Packages
V
V
V
V
V
V
V
DFN Package
V
MS/EDD Packages
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 1.6V to 18V, V
: 1V to 10V, V
: 2.5V to 10V, V
: 2.7V to 4.5V, V
: 2.7V to 4.5V, V
: 2.8V to 4.5V, V
: 2.9V to 4.4V, V
: 2.7V to 5.5V, V
: 2.7V to 16V, V
: 2.7V to 24V, V
: 2.5V to 24V, V
TM
Package
86
84
82
80
78
76
74
OUT(MAX)
0
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
V
8 LEDs
+15V/10mA
–15V/10mA
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
IN
= 3.6V
2.5
Conversion Efficiency
© LINEAR TECHNOLOGY CORPORATION 2005
= 34V, I
= 34V, I
= 34V, I
= 34V, I
= 40V, I
= 40V, I
= 5V, I
= 5.5V, I
= 6V, I
= 5.5V, I
= 5.5V, I
LED CURRENT (mA)
5
Q
Q
Q
LT/TP 0705 500 • PRINTED IN USA
= 1.2mA, I
Q
Q
Q
Q
Q
7.5
= 8mA, I
= 50µA, I
Q
Q
Q
= 1.8mA, I
= 1.9mA, I
= 1.9mA, I
= 5mA, I
= 6.5mA, I
= 5mA, I
= 0.6mA, I
= 300µA, I
10
SD
SD
SD
SD
SD
SD
SD
SD
SD
< 1µA,
< 1µA,
< 1µA,
< 16µA,
12.5
SD
SD
< 1µA,
34661 TA06b
< 1µA,
< 1µA,
< 1µA,
< 1µA,
< 2.5µA,
< 6µA,
15
34661f