LT3599
TYPICAL APPLICATIONS
8W LED Driver
2MHz Boost, Three Strings, 100mA per String, 7 LEDs per String
PV IN
8V TO 16V
L1
4.7μH
D1
C2
R5
100k
R1
C1
3.3μF
25V
V IN
R4
100k
V IN
V IN
3.1V TO 5.5V
C3
1μF
6.3V
V IN
SHORTLED
SW
V OUT
V O_SW
R10
1M
4.7μF
50V
2
200k
R2
PWM
OPENLED
SHDN /UVLO
PWM
FB
R11
43.2k
7 LEDs/
STRING
31.6k
R3
SYNC
CTRL
RT
LT3599
LED1
33.2k
R6
21.5k
R7
53.6k
V REF
DISABLE4
LED2
LED3
LED4
100mA PER STRING
R8
80.6k
T SET
I SET
SS
GND V C
C1: MURATA GRM21BR71E335K
C2: MURATA GRM31CR71H475K
D1: DIODES INC. DFLS240
L1: SUMIDA CDRH4D22HPNP-4R7N
R9
13.3k
C4
47nF
R C
10k
C C
100pF
3599 TA05a
2.2nF
3599fe
21
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