LT3496 LINER [Linear Technology], LT3496 Datasheet - Page 13

• Manufacturer Part Number: LT3496
• Description: Triple Output LED Driver
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
0.5A/DIV
0.5A/DIV
5V/DIV
PWM
I
LED
I
L
300:1 PWM Dimming at 120Hz
V
1μF
3V
C7
IN
5μs/DIV
C1-C3, C7: MURATA GRM31MR71H105KA88
C4-C6: MURATA GRM21BR71H224KA01
D1-D3: DIODES DFLS160
L1-L3: TAIYO YUDEN NP04SZB 150M
PWM1-3
SHDN
PV
42V
7 LEDs
IN
15μH
CAP1-3
LED1-3
V
PWM1-3
SHDN
IN
L1
SW1
3496 TA07b
Minimum BOM Buck Mode LED Driver
330mΩ
0.3A
CAP1
LED1
D1
0.22μF
C4
0.22μF
C5
D2
LT3496
SW2
GND
L2
15μH
330mΩ
0.3A
CAP2
LED2
15μH
L3
100
SW3
80
75
95
90
85
330mΩ
0
PWM = 3V
CTRL = 0V TO 1.2V
0.3A
CAP3
LED3
D3
0.22μF
CTRL1-3
OVP1-3
50
C6
TG1-3
VC1-3
FADJ
V
REF
100
Effi ciency
I
LED
OPEN
3496 TA07a
C1-C3
1μF
150
3
(mA)
22k
470pF
200
250
3496 TA07c
300
LT3496
13
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