LT3492 LINER [Linear Technology], LT3492 Datasheet - Page 15

• Manufacturer Part Number: LT3492
• Description: Triple Output LED Driver with 3000:1 PWM Dimming
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
5V TO 16V
100
110
80
60
20
90
70
50
40
30
V
IN
2
LED Current Decreasing with V
C5
1μF
6
357k
40.2k
CTRL1-3
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: ZETEX ZLLS400TA
L1-L3: TAIYO YUDEN NP04SZB 150M
M1-M3: ZETEX ZXMP6A13F
V
ISP1-3
ISN1-3
V
PWM1-3
SHDN
IN
IN
10
(V)
SW1
Triple Boost 100mA × 9 LED Driver with V
TG1
9 LEDs
1μF
C2
14
15μH
L1
3492 TA08b
IN
M1
1Ω
18
D1
100mA
ISP1
ISN1
2.2μF
C1
750k
20k
3
OVP1
SW2
LT3492
GND
TG2
1μF
9 LEDs
C3
15μH
L2
IN
M2
1Ω
Controlled Dimming
D2
100mA
ISP2
ISN2
90
70
60
50
40
20
80
30
10
0
4
750k
20k
OVP2
Effi ciency vs V
SW3
8
TG3
1μF
9 LEDs
V
CTRL1-3
C4
OVP1-3
IN
TG1-3
V
FADJ
(V)
V
15μH
C1-3
REF
L3
3492 TA08
12
IN
M3
1Ω
D3
100mA
ISP3
ISN3
430k
100k
3492 TA08c
18.2k
1MHz
750k
20k
16
LT3492
OVP3
2.2nF
15
3492f