Datasheet

LT3746
28
3746fa
For more information www.linear.com/3746
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT3476 Quad Output 1.5A, 2MHz High Current LED Driver with
1,000:1 Dimming
V
IN
: 2.8V to 16V, V
OUT(MAX)
= 36, True Color PWM Dimming = 1000:1,
I
SD
< 10µA, 5mm × 7mm QFN-10 Package
LT3486 Dual 1.3A , 2MHz High Current LED Driver V
IN
: 2.5V to 24V, V
OUT(MAX)
= 36, True Color PWM Dimming = 1000:1,
I
SD
< 1µA, 5mm × 3mm DFN-16 TSSOP-16E Package
LT3496 Triple Output 750mA, 2.1 MHz High Current LED Driver
with 3,000:1 Dimming
V
IN
: 3V to 30V, V
OUT(MAX)
= 60, True Color PWM Dimming = 3000:1,
I
SD
< 1µA, 4mm × 5mm QFN-28 Package
LT3595 45V, 2.5MHz 16-Channel Full Featured LED Driver V
IN
: 4.5V to 45V, V
OUT(MAX)
= 45, True Color PWM Dimming = 5000:1,
I
SD
< 1µA, 5mm × 9mm QFN-56 Package
LT3598 44V, 1.5A, 2.5MHz Boost 6-Channel 30mA LED Driver V
IN
: 3V to 40V, V
OUT(MAX)
= 44, True Color PWM Dimming = 1000:1,
I
SD
< 1µA, 4mm × 4mm QFN-24 Package
LT3599 44V, 2A, 2.5MHz Boost 4-Channel 120mA LED Driver V
IN
: 3V to 40V, V
OUT(MAX)
= 44, True Color PWM Dimming = 1000:1,
I
SD
< 1µA, 4mm × 4mm QFN-24 Package
LT3754 60V, 1MHz Boost 16-Channel 50mA LED Driver with True
Color 3,000:1 PWM Dimming and 2.8% Current Matching
V
IN
: 4.5V to 40V, V
OUT(MAX)
= 60, True Color PWM Dimming = 3000:1,
I
SD
< 1µA, 5mm × 5mm QFN-32 Package
LT3755/
LT3755-1
High Side 40V, 1MHz LED Controller with True Color
3,000:1 PWM Dimming
V
IN
: 4.5V to 40V, V
OUT(MAX)
= 60, True Color PWM Dimming = 3000:1,
I
SD
< 1µA, 3mm × 3mm QFN-16 MSOP-16E Package
LT3756/
LT3756-1
High Side 100V, 1MHz LED Controller with True Color
3,000:1 PWM Dimming
V
IN
: 6V to 100V, V
OUT(MAX)
= 100, True Color PWM Dimming = 3000:1,
I
SD
< 1µA, 3mm × 3mm QFN-16 MSOP-16E Package
LT3760 60V, 1MHz Boost 8-Channel 100mA LED Driver with True
Color 3,000:1 PWM Dimming and 2.8% Current Matching
V
IN
: 4.5V to 40V, V
OUT(MAX)
= 60, True Color PWM Dimming = 3000:1,
I
SD
< 1µA, TSSOP-28E Package
Figure 8. 32-Channel LED Driver, 1MHz Buck, 3 LEDs 10mA to 30mA per Channel, 500Hz 12-Bit Dimming
EN/UVLO
SYNC
RT
SS
V
CC
I
SET
T
SET
SCKI
SDI
LDI
SCKO
SDO
LDO
LED29
LED30
LED31
LED00
LED01
LED02
.
.
.
. . .
LT3746
100k
V
IN
13V TO 42V
EN
V
CC
3V TO 5.5V
V
IN
CAP
0.47µF
16V
GATE
GND
FB
ISP
ISN
4.7µF
50V
80.6k
10k
C1
2 × 47µF
L1
22µH
M1
D1
33mΩ
11V MAXIMUM OUTPUT VOLTAGE
PWMCK
TTL/CMOS
2.048MHz CLOCK
TTL/CMOS
3746 TA03
10µF
10V
46.4k
10nF
60.4k
32.4k
M1: VISHAY Si9407BDY
D1: DIODES DFLS160
L1: WÜRTH ELECTRONIK 7447779122
C1: SANYO 16TQC47M
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/3746
 LINEAR TECHNOLOGY CORPORATION 2011
LT 0413 REV A • PRINTED IN USA