LT3741 Typical applicaTion Application Circuit

Linear Technology Corporation

find LT3741 datasheet
LT3741 circuit
LT3741
Typical applicaTion
20V Regulated Output with 5A Current Limit
EN/UVLO
EN/UVLO
V
IN
1µF
RT
SYNC
V
REF
HG
CBOOT
2.2µF
SW
LT3741
V
CC_INT
LG
GND
CTRL2
R
NTC
10nF
SS
VC
SENSE
+
SENSE
FB
30.1k
3.9nF
10nF
187k
12.1k
3741 TA05
22µF
M1
L1
8.2µH
R1
10m
V
IN
36V
82.5k
100nF
V
OUT
5A MAXIMUM
100µF
R
HOT
45.3k
22µF
10
M2
10
CTRL1
relaTeD parTs
PART NUMBER
DESCRIPTION
Synchronous Step-down LED Driver
COMMENTS
92% Efficiency, I
OUT
to 20A, V
IN
: 5.5V to 36V I
Q
= 2MA I
SD
< 1µA, 4mm x 5mm
QFN-28, TSSOP-28E
3741f

Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
LT 0310 • PRINTED IN USA
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010