LT3496 LINER [Linear Technology], LT3496 Datasheet - Page 14

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

LT3496
TYPICAL APPLICATIONS
14
0.5A/DIV
0.1A/DIV
5V/DIV
PWM
I
LED
I
L
V
1μF
3V
C5
IN
3000:1 PWM Dimming at 120Hz
PWM1-3
SHDN
PV
12V
IN
0.5μs/DIV
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: DIODES DFLS160
L1-L3: TAIYO YUDEN NP04SZB 100M
M1-M3: ZETEX ZXMP6A13F
CAP1-3
LED1-3
V
PWM1-3
SHDN
IN
SW1
10 LEDs
TG1
1μF
C2
10μH
L1
3496 TA03b
M1
1Ω
D1
100mA
CAP1
LED1
Triple Boost 100mA × 10 LED Driver
2.2μF
C1
825k
20k
OVP1
SW2
LT3496
GND
10 LEDs
TG2
1μF
C3
10μH
L2
M2
1Ω
D2
100mA
CAP2
LED2
825k
20k
95
90
85
80
75
70
65
60
50
55
OVP2
0
CTRL = 2V
Effi ciency vs PWM Duty Cycle
SW3
20
10 LEDs
TG3
1μF
CTRL1-3
C4
OVP1-3
PWM DUTY CYCLE (%)
TG1-3
VC1-3
FADJ
V
10μH
REF
L3
40
M3
1Ω
D3
100mA
CAP3
LED3
60
10k
3496 TA03a
470pF
825k
20k
80
OVP3
3496 TA03d
100
3496fe