LT3466EFE Linear Technology, LT3466EFE Datasheet - Page 20

• Manufacturer Part Number: LT3466EFE
• Description: IC,Laser Diode/LED Driver,TSSOP,16PIN,PLASTIC
• Manufacturer: Linear Technology

RELATED PARTS
TYPICAL APPLICATIO
LT3466
PART NUMBER
LT1618
LT1932
LT1937
LTC3200
LTC3201
LTC3202
LTC3205/LTC3206
LT3465/LT3465A
ThinSOT is a trademark of Linear Technology Corporation.
20
V
LED1
13.3Ω
R
LEDs
FB1
25
C
C2-C5, C7-C10: TAIYO YUDEN UMK212BJ104
C6, C11: TAIYO YUDEN UMK316BJ224
D1-D8: PHILIPS BAV99
D9, D10: PHILIPS BAS16
L1, L2: TOKO A914BYW-330M
0.1µF
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
IN
: TAIYO YUDEN JMK107BJ105
C5
C4
0.1µF
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, 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
●
CAR BATTERY
FAX: [phone]
9V TO 18V
12V (TYP)
C2
0.1µF
C6
0.22µF
12V to 25/25 White LEDs
OFF ON
0.1µF
U
C3
D9
V
FB1
CTRL1
SW1
OUT1
L1
33µH
●
3.3V
V
IN
LT3466
www.linear.com
R
T
33µH
20.5k
1%
L2
C
CTRL2
IN
V
SW2
OUT2
FB2
0.1µF
C8
OFF ON
0.1µF
D10
C7
C11
0.22µF
D1
D2
D3
D4
0.1µF
C9
COMMENTS
Up to 16 White LEDs, V
I
I
I
MS Package
MS Package
MS Package
Up to 4 (Main), 2 (Sub) and RGB, V
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 8 White LEDs, V
Q
Q
Q
Q
Q
= 1.8mA, I
= 1.2mA, I
= 1.9mA, I
= 50µA, I
= 1.9mA, I
C10
0.1µF
25
LEDs
R
13.3Ω
3466 TA10a
SD
FB2
SD
SD
SD
SD
V
< 1µA, QFN-24 Package
LED2
< 1µA, MS Package
< 1µA, ThinSOT
< 1µA, ThinSOT, SC70 Packages
< 1µA, ThinSOT Package
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
IN
: 1.6V to 18V, V
: 2.7V to 16V, V
© LINEAR TECHNOLOGY CORPORATION 2004
85
80
75
70
65
60
55
50
0
V
25/25 LEDs
IN
TM
Conversion Efficiency
= 12V
LT/LT 0305 REV A • PRINTED IN USA
Package
IN
: 2.8V to 4.5V,
OUT(MAX)
LED CURRENT (mA)
OUT(MAX)
Q
Q
Q
5
OUT(MAX)
= 8mA, I
= 6.5mA, I
= 5mA, I
OUT(MAX)
= 34V,
= 34V,
SD
SD
= 34V,
= 34V,
10
SD
< 1µA,
< 1µA,
< 1µA,
3466 TA10b
3466fa
15