Datasheet

LT3596
19
3596fa
Typical applicaTions
Efficiency
48V 500kHz Step-Down 10W, 100mA LED Driver
V
IN
EN/UVLO
LT3596
SYNCSYNC
PWM1
PWM2
PWM3
PWM1
PWM2
PWM3
CTRL1
CTRL2
CTRL3
CTRL1
CTRL2
CTRL3
RT
FAULTFAULT
BIAS
270k
10µF
V
IN
48V
91k
80.6k
V
REF
TSET
CTRLM
10k
90.9k
49.9k
20k 20k 20k
3696 TA04a
100k
MURATA NCP18WF104
100k
BIAS
BOOST
SW
DA
GND
FB
LED1
LED2
LED3
I
SET1
I
SET2
I
SET3
V
OUT
4.7µF
5V
BIAS
6.8µF
V
OUT
z36V PER
LED STRING
100nF
100k
3.01k
220µH
LED CURRENT (mA)
0
EFFICIENCY (%)
60
80
100
80
3596 TA04b
40
20
0
20
40
60
100
10,000:1 PWM Dimming at 100Hz
I
LED
50mA/DIV
PWM
2V/DIV
200ns/DIV
3596 G19