Datasheet

LT3598
20
3598fb
PWM
5V/DIV
I
L
500mA/DIV
I
LED, total
50mA/DIV
3598 TA06
PV
IN
= V
IN
= 5V
5μs/DIV
TYPICAL APPLICATIONS
1 MHz LED Driver for 36 White LEDs
PWM Dimming (20μS Pulse Width)
L1
10μH
D1
C2
4.7μF s 2
3598 TA07
LT3598
V
O_SW
FB
OPENLED
PWM
SHDN
SYNC
LED1
LED2
LED3
LED4
LED5
LED6
V
OUT
SWV
IN
R4
2.4M
R5
76.8k
R3
11.5k
C1: MURATA GRM21BR71A225K
C2: MURATA GRM32ER71H475K
D1: DIODES, INC. SBR140S3
L1: VISHAY IHLP-2525BD-01
R9
10k
R6
100k
PWM
SHDN
SYNC
C1
2.2μF
V
IN
5V
C3
1μF
R
C
3k
C
C
10nF
RT
CTRL
V
REF
V
C
SS GND
T
SET
I
SET
C4
0.1μF
C5
47pF
C6
100pF
R1
53.6k
R8
107k
25mA