Datasheet

LT3763
23
3763fa
For more information www.linear.com/LT3763
Typical applicaTions
20A, Pulse Width Modulated, Single LED Driver
C
IN2
100µF
V
IN
10V TO 30V
R
SENSE_IN
2.5mΩ
R
FILTA
1k
R
FILTB
1k
R
T
82.5k
EN/UVLO
FBIN
TG
V
IN
BOOST
V
REF
CTRL1
CTRL2
LT3763
SW
BG
GND
V
C
SENSE
+
SENSE
–
INTV
CC
C
BOOST
220nF
L1
1.5µH
C
VCC
22µF
R
S
2.5mΩ
FB
FAULT
R
C
59k
C
C
4.7nF
R
FB1
47.5k
L1: COILCRAFT XAL1010-152
M1: RENESAS RJK0365
M2: RENESAS RJK0453
M3: IR IRFH6200
R
S
: VISHAY WSL25122L500FEA
3763 TA02
R
FB2
12.1k
C
REF
2.2µF
R
NTC
470k
M1
M2
PWMOUT
M3
V
OUT
6V, 20A MAXIMUM
C
OUT
220µF
×2
D1
PWM
SYNC
SS
C
SS
10nF
RT
R
HOT
45.3k
R
EN1
84.5k
R
EN2
15.4k
C
S
33nF
R
SA
10Ω
R
SB
10Ω
R
FAULT
47.5kΩ
C
FILT
1µF
50k
C
IN1
4.7µF
IVINNIVINP
IVINMON
ISMON
1nF
1nF
50Ω
50Ω
PWM Dimming
PWM
10V/DIV
V
SW
50V/DIV
I
L
5A/DIV
5µs/DIV
3763 TA02b