Datasheet
LT3799-1
20
37991f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2012
LT 0212 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT3755/ LT3755-1/
LT3755-2
High Side 60V, 1MHz LED Controller with 3000:1
True Color PWM™ Dimming
V
IN
: 4.5V to 40V, V
OUT(MAX)
= 60V, Dimming: 3000:1 True Color PWM,
I
SD
< 1μA, 3mm × 3mm QFN-16 and MSOP-16E Packages
LT3756/ LT3756-1/
LT3756-2
High Side 100V, 1MHz LED Controller with 3000:1
True Color PWM Dimming
V
IN
: 6V to 100V, V
OUT(MAX)
= 100V, Dimming: 3000:1 True Color PWM,
I
SD
< 1μA, 3mm × 3mm QFN-16 and MSOP-16E Packages
LT3743 Synchronous Step-Down 20A LED Driver with
Three-State LED Current Control
V
IN
: 5.5V to 36V, Dimming: 10000:1 True Color PWM, I
SD
< 1μA,
5mm × 8mm QFN-52 Package
LT3518 2.3A, 2.5MHz High Current LED Driver with 3000:1
Dimming
V
IN
: 3V to 30V, Dimming: 3000:1 True Color PWM, I
SD
< 1μA,
4mm × 4mm QFN-16 Package
LT3517 1.3A, 2.5MHz High Current LED Driver with 3000:1
Dimming
V
IN
: 3V to 30V, Dimming: 3000:1 True Color PWM, I
SD
< 1μA,
4mm × 4mm QFN-16 Package
LT3741 High Power, Constant-Current, Constant-Voltage
Synchronous Step-Down Controller
V
IN
: 6V to 36V, Average Current Mode Control, I
SD
< 1μA,
4mm × 4mm QFN-20 and TSSOP-20E Packages
37991 TA04
108W
LED
POWER
V
IN_SENSE
V
IN
DCM
FB
V
REF
CTRL2
CTRL1
GATE
SENSE
INTV
CC
INTV
CC
LT3799-1
FAULT
FAULT
COMP
+
CT COMP
–
D1, D2, D3, D4: IN4005
D5, D6: DIODES INC. BAV20W
D7: CENTRAL SEMICONDUCTOR CMR1U-10M
T1: WÜRTH ELEKTRONIK-750811351
M1: INFINEON SPP17N80C3
Z4: LITTLE FUSE SMCJ220CA
Z2: FAIRCHILD SEMICONDUCTOR SMBJ130A
Z3: FAIRCHILD SEMICONDUCTOR SMCJ40A
D9: CENTRAL SEMICONDUCTOR CMR1U-02M
D8: DIODES INC SBR10U300CT
C21
4.7pF
C3
22μ
F
C20
2.2nF
T1
C7
0.1μF
C6
10nF
GND
R25
17.8Ω
C8
4.7μF
C13
2.2nF
R5
20Ω
D5
D8
D9
Z3
40V
Z2
220V
Z4
D7
M1
R8
15m
R11
499k
R10
499k
R2
249k
R1
249k
R12
3.09k
R4
4.32k
R6
200k
R3
100k
R9
10k
C10
1000μF
C9
10μF
CTRL3
C2
0.47μF
R19
40.2k
R20
16.9k
R18
100k
R7
2k
D3
D4
D2
D1
D6
90V
TO 305V
AC
C1
0.47μF
L2
10mH
L3
150μH
3A
L1
10mH
90V to 305V AC Input 108W LED Driver