LT3756 LINER [Linear Technology], LT3756 Datasheet - Page 17

• Manufacturer Part Number: LT3756
• Description: 100VIN, 100VOUT LED Controller
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
8V TO
9V TO
L1: COILCRAFT MSD1278T-333
M1: VISHAY SILICONIX Si7430DP
D1: ON SEMICONDUCTOR MBRS3200T
M2: ZETEX ZXM61N03F
80V
65V
V
V
IN
IN
0.01μF
C1
4.7μF
100V
C1
4.7μF
INTV
INTV
L1: COILCRAFT MSS1038-683
D1: ON SEMICONDUCTOR MBRS3100T3
M1: VISHAY SILICONIX Si2328DS
M2: VISHAY SILICONIX Si2328DS
M3: ZETEX ZXM6IP03F
185k
10k
185k
CC
CC
100k
1M
100k
1M
10k
0.1μF
28.7k
400kHz
36.5k
300kHz
4700pF
90% Effi cient, 20W SEPIC LED Driver
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
R
V
Buck-Boost Mode LED Driver
REF
T
C
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
RT
30k
REF
0.001μF
V
C
39k
LT3756
V
LT3756
GND
IN
GND
V
IN
PWMOUT
PWMOUT
INTV
SENSE
GATE
INTV
SENSE
ISN
ISP
GATE
FB
CC
ISN
ISP
68μH
FB
CC
C2
4.7μF
10V
L1
C2
2.2μF
10V
33μH
L1A
1:1
25k
M1
0.068Ω
D1
511k
M3
V
IN
M1
1Ω
0.033Ω
1μF
C4
24V TO 32V
LED STRING
100mA
1μF
100V
L1B
1.5k
M2
1k
3756 TA03a
D1
0.1Ω
1M
13k
M2
3756 TA04a
V
IN
1A
20W
LED
STRING
C3
4.7μF
V
C3
10μF
35V
OUT
2
100
100
90
80
70
60
50
84
80
96
92
88
LT3756/LT3756-1
0
0
Effi ciency vs V
20
20
Effi ciency vs V
V
V
IN
IN
40
40
(V)
(V)
IN
IN
60
60
17
37561 TA03b
37561 TA04b
37561f
80
80