LT3466 Linear Technology, LT3466 Datasheet - Page 20

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

RELATED PARTS
TYPICAL APPLICATIO
LT3466
V
PART NUMBER
LT1618
LT1932
LT1937
LTC3200
LTC3200-5
LTC3201
LTC3202
LTC3205
LT3465/LT3465A
ThinSOT is a trademark of Linear Technology Corporation.
20
LED1
LEDs
25
R
13.3
FB1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
C
C3-C5, C8-C10: TAIYO YUDEN UMK212BJ104
C2, C7: TAIYO YUDEN HMK316BJ104
C6, C11: TAIYO YUDEN UMK316BJ224
D1-D8: PHILIPS BAV99
L1, L2: MURATA LQH32CN330
IN
0.1 F
: TAIYO YUDEN EMK316BJ105
C5
C4
0.1 F
DESCRIPTION
Constant Current, Constant Voltage 1.24MHz, 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, 2MHz, Regulated Charge Pump White LED Driver
Low Noise, 1.7MHz, Regulated Charge Pump White LED Driver
Low Noise, 1.5MHz, Regulated Charge Pump White LED Driver
High Efficiency, Multidisplay LED Controller
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
D5
D6
D7
D8
12V to 25/25 White LEDs
0.1 F
0.1 F
C6
0.22 F
C2
C3
U
12V
V
IN
V
FB1
CTRL1
SW1
OUT1
33 H
L1
LT3466
www.linear.com
V
R
IN
T
20.5k
1%
33 H
CTRL2
V
SW2
L2
OUT2
FB2
C
1 F
IN
0.1 F
0.1 F
C7
C8
C11
0.22 F
D1
D2
D3
D4
C10
0.1 F
COMMENTS
Up to 16 White LEDs, V
I
I
I
MS Package
ThinSOT Package
MS Package
MS Package
I
Up to Six White LEDs, V
I
Up to 8 White LEDs, V
Up to 4 White LEDs, V
Up to 6 White LEDs, V
Up to 6 White LEDs, V
Up to 6 White LEDs, V
Up to 8 White LEDs, V
Up to 4 (Main), 2 (Sub) and RGB, V
Q
Q
Q
Q
Q
C9
0.1 F
= 1.8mA, I
= 1.2mA, I
= 1.9mA, I
= 50 A, I
= 1.9mA, I
25
LEDs
R
13.3
3466 TA10a
FB2
SD
SD
SD
SD
SD
V
LED2
< 1 A, QFN-24 Package
< 1 A, MS Package
< 1 A, ThinSOT
< 1 A, ThinSOT, SC70 Packages
< 1 A, ThinSOT Package
IN
IN
IN
IN
IN
IN
IN
: 1V to 10V, V
: 2.5V to 10V, V
: 2.7V to 4.5V, I
: 2.7V to 4.5V, I
: 2.7V to 4.5V, I
: 2.7V to 4.5V, I
IN
85
80
75
70
65
60
55
50
: 1.6V to 18V, V
: 2.7V to 16V, V
0
LINEAR TECHNOLOGY CORPORATION 2004
V
25/25 LEDs
IN
= 12V
TM
Conversion Efficiency
Package
IN
LT/TP 0104 1K • PRINTED IN USA
: 2.8V to 4.5V,
OUT(MAX)
LED CURRENT (mA)
5
OUT(MAX)
Q
Q
Q
Q
OUT(MAX)
= 8mA, I
= 8mA, I
= 6.5mA, I
= 5mA, I
OUT(MAX)
= 34V,
= 34V,
SD
SD
SD
= 34V,
10
= 34V,
SD
< 1 A,
< 1 A,
< 1 A,
< 1 A,
3466 TA10b
3466f
15