Datasheet

LT3760
22
3760fc
LT3760
GATE
2.2µF
100V
×5
L1
10µH
D1
M1
0.015Ω
V
OUT
SENSE
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
CTRL
SYNC
GND
PWM
V
REF
OVP
SET
T
SET
RT
I
SET
V
C
V
IN
V
IN
8V TO 14V
P
VIN
20V TO 36V
4.7µF
10V
4.7µF
25V
100k
INTV
CC
499k
40.2k
4.7µF
50V
PGND
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
11k30.9k
20k
20k
39.2k 5.76k 10k
2.2nF
3760 TA03
FAULT
SHDN/UVLO
L1: SUMIDA CDRH8D38
M1: VISHAY SILICONIX Si7850DP
D1: DIODES, INC. PDS360
V
IN
PWM DIMMING
ANALOG DIMMING
UP TO 45V OF LEDs PER STRING
Typical applicaTions
5µs/DIV
I(LEDx)
40mA/DIV
PWM
10V/DIV
I(L1)
1A/DIV
3760 G04
(FRONT COVER
APPLICATION)
LED Current Waveforms
3000:1 PWM Dimming (100Hz)
92% Efficient, 36W LED Driver, 1MHz Boost, 8 Strings, 100mA Per String