LT3791-1
26
37911fa
For more information www.linear.com/LT3791-1
LINEAR TECHNOLOGY CORPORATION 2012
LT 1213 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3791-1
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT3791 60V, 4-Switch, Synchronous Buck-Boost LED Driver
Controller
V
IN
: 4.7V to 60V, V
OUT
Range: 1.2V to 60V, True Color PWM™, Analog,
I
SD
< 1µA, TSSOP-38E Packages
LT C
®
3780 High Efficiency, Synchronous, 4-Switch Buck-Boost
Controller
V
IN
: 4V to 36V, V
OUT
Range: 0.8V to 30V, I
SD
< 55µA, SSOP-24, QFN-32
Packages
LTC3789 High Efficiency, Synchronous, 4-Switch Buck-Boost
Controller
V
IN
: 4V to 38V, V
OUT
Range: 0.8V to 38V, I
SD
< 40µA, 4mm × 5mm QFN-28,
SSOP-28 Packages
LT3755/LT3755-1
LT3755-2
High Side 60V, 1MHz LED Controller with T
rue Color
3000:1 PWM Dimming
V
IN
: 4.5V to 40V, V
OUT
Range: 5V to 60V, 3000:1 True Color PWM, Analog,
I
SD
< 1µA, 3mm × 3mm QFN-16, MSOP-16E Packages
LT3756/LT3756-1
LT3756-2
High Side 100V, 1MHz LED Controller with T
rue Color
3000:1 PWM Dimming
V
IN
: 6V to 100V, V
OUT
Range: 5V to 100V, 3000:1 True Color PWM, Analog,
I
SD
< 1µA, 3mm × 3mm QFN-16, MSOP-16E Packages
LT3596 60V, 300mA Step-Down LED Driver V
IN
: 6V to 60V, V
OUT
Range: 5V to 55V, 10000:1 True Color PWM, Analog,
I
SD
< 1µA, 5mm × 8mm QFN-52 Package
LT3743 Synchronous Step-Down 20A LED Driver with
Thee-State LED Current Control
V
IN
: 5.5V to 36V, V
OUT
Range: 5.5V to 35V, 3000:1 True Color PWM, Analog,
I
SD
< 1µA, 4mm × 5mm QFN-28, TSSOP-28E Packages
2.5A Buck-Boost 36V SLA Battery Charger
50Ω
470nF
IN
INTV
CC
TG1
BG1
SNSP
SNSN
BST1
BST2
BG2
PGND
SW2
TG2
RT
LT3791-1
SWI
R
IN
0.003Ω
SHORT
IVINN
I
VINP
1µF
V
IN
IVINMON
PWMOUT
ISMON
CLKOUT
EN/UVLO
OVLO
INTV
CC
200k
V
REF
PWM
CTRL
CHARGE CURRENT CONTROL
SGND
84.5k
300kHz
D1, D2: BAT46WJ
L1: COILCRAFT SER2915L-103K
M1-M4: RENESAS RJK0651DPB
M5: NXP NX7002AK
C
IN2
: NIPPON CHEMI-CON EMZA630ADA101MJA0G
C
: SUNCON 50HVT220M
V
C
SYNCSS
C/10
CCM
20k
50Ω
INTV
CC
57.6k
30.9k
499k
0.1µF
22nF
22nF
1µF
37911 TA03
C
IN2
100µF
63V
R
SENSE
0.004Ω
ISP
ISN
FB
R
BAT
0.04Ω
2.5A
CHARGE
36V
SLA BATTERY
AGM TYPE
41V FLOAT
44V CHARGE
AT 25°C
0.1µF
0.1µF
L1 10µH
4.7µF
M2
M1
M3
M4
D2D1
C
50V
C
OUT
4.7µF
50V
×2
1.00M
30.1k
402k
M5
2.2k
C
IN
4.7µF
100V
×2
+
+
+
TEST1
100k
