
LT3760
TYPICAL APPLICATIONS
14W LED Driver, 700kHz Boost, 4 Strings, 80mA Per String (For Machine Vision Systems with Very Long Off-Times)
V IN
10V TO 28V
4.7μF
50V
L1
15μH
D1
1.5k
M2
UP TO 45V OF LEDs PER STRING
Q1
1k
10k
5V/0V
ON/OFF
4.7μF
10V
INTV CC
V IN
GATE
M1
2.2μF
100V
× 5
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1M
V IN
100k
LT3760
SENSE
PGND
0.02
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SHDN
PWM DIMMING
ANALOG DIMMING
20k
M3
FAULT
SHDN /UVLO
GND
SYNC
PWM
CTRL
V REF
V OUT
LED1
LED2
LED3
LED4
LED5
LED6
140k
20.5k
T SET
OVP SET RT
I SET
V C
LED7
LED8
3760 TA09
30.9k
20k
60.4k
7.32k
10k
200pF
820pF
L1: SUMIDA CDRH8D38
M1: VISHAY SILICONIX Si7308DN
M2: VISHAY SILICONIX Si2309DS
M3: VISHAY SILICONIX Si2312DS
Q1: MMBTA42
D1: DIODES, INC. DFLS160
3760fc
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