Datasheet

LT3799
20
3799fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2011
LT 0112 REV A • 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
3799 TA04
14W
LED
POWER
V
IN_SENSE
V
IN
DCM
FB
V
REF
CTRL2
CTRL1
GATE
SENSE
INTV
CC
GND
LT3799
FAULT
FAULT COMP
+
CT COMP
–
C10
390µ
F
× 2
BR1: DIODES, INC. HD06
D1: CENTRAL SEMICONDUCTOR CMR1U-06M
D2, D3: DIODES INC. BAV20W
D4: DIODES INC. DFLS1150
Z1: FAIRCHILD SMBJ170A
Z2: CENTRAL SEMICONDUCTOR CMZ5938B
T1: WÜRTH ELEKTRONIK WE750813144
M1: ST MICRO STD12N65M5
C4
4.7pF
C5
10µ
F
C8
2.2nF
4:1:0.71
C6
0.1µF
C7, 0.1µF
R16
20Ω
R6
20Ω
D2
D4
Z1
Z2
D1
R
S
0.10Ω
R4
499k
R3
499k
R8
100k
R7
100k
R2
250Ω
R1
250Ω
R5
3.48k
R15
5.90k
R4
100k
CTRL3
C3
0.22µF
C2
0.1µF
R9
40.2k
R16
10k
R10
23.2k
PHOTOCELL
R17
10k
R18
100k
C9
4.7µF
R13
2k
BR1
D3
90V
TO 265V
AC
C1
47nF
L1
39mH
L2
750µH
0.5A
Universal Input TRIAC Dimmable 14W LED Driver