LT3755-1 LINER [Linear Technology], LT3755-1 Datasheet - Page 25

• Manufacturer Part Number: LT3755-1
• Description: 60V 4-Switch Synchronous
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
4.7V TO 58V
V
237k
IN
R11
R12
1M
54.9k
100
98
96
94
92
90
88
86
80
84
82
1M
R3
R4
0
BOOST
332k
121k
R1
R2
10
BUCK-BOOST
Efficiency vs V
INPUT VOLTAGE (V)
20
0.003
R
IN
30
50
R7
INTV
470nF
R9
200k
0.1µF
40
1µF
BUCK
C8
C3
C7
CC
IN
R10
200k
98% Efficient 50W (25V 2A) Buck-Boost LED Driver
50
3791 TA02b
V
IVINN
IVINP
EN/UVLO
OVLO
SHORTLED
OPENLED
PWM
IVINMON
ISMON
CLKOUT
V
CTRL
TEST1
SS
IN
REF
60
C
10nF
SS
SYNC
VC
LT3791
R
2.2k
C
C
10nF
C
RT
R8
86.6k
300kHz
PWMOUT
INTV
TEST2
SNSN
PGND
SGND
SNSP
BST2
BST1
SW2
TG1
SWI
BG1
BG2
TG2
ISN
ISP
CC
FB
2A/DIV
2A/DIV
5V/DIV
PWM
I
M1
M2
D1, D2: NXP BAT46WJ
L1: COOPER HC9-100-R 10µH
M1, M2: RENESAS RJK0651DPB 60V
M3, M4: RENESAS RJK0451DPB 40V
M5: VISHAY Si2318CDS 40V
LED
I
L1
100Hz 50:1 PWM Dimming (V
R
0.004
D1
L1 10µH
SENSE
C1
0.1µF
0.1µF
C2
D2
50µs/DIV
DS
C
4.7µF
M4
M3
VCC
DS
DS
C
2.2µF
100V
×4
IN
IN
= 12V)
3791 TA02c
R6
44.2k
R5
1M
LT3791
M5
3791 TA02a
R
0.05
LED
25
C
4.7µF
50V
×4
25V LED
2A
OUT
3791f