OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LT3492IUFD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
LT3492
16
3492fa
Triple Boost 100mA × 9 LED Driver with V
IN
Controlled Dimming
9 LEDs
C2
1µF
C3
1µF
C4
1µF
100mA
750k
20k
OVP1
ISN1
TG1
1
2.2nF
3492 TA08
L1
15µH
L2
15µH
L3
15µH
ISP1
D1 D2 D3
M1 M2 M3
SW1 SW2
LT3492
GND
SW3 TG1-3
OVP1-3
V
C1-3
ISP1-3
ISN1-3
V
IN
PWM1-3
SHDN
V
IN
5V TO 16V
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: ZETEX ZLLS400TA
L1-L3: TAIYO YUDEN NP04SZB 150M
M1-M3: ZETEX ZXMP6A13F
C5
1µF
9 LEDs
100mA
750k
20k
OVP2
ISN2
TG2
1
ISP2
9 LEDs
100mA
750k
430k
18.2k
OVP3
20k
100k
1MHz
ISN3
TG3
1
CTRL1-3
357k
40.2k
ISP3
C1
2.2µF
s3
V
REF
FADJ
CTRL1-3
TYPICAL APPLICATIONS
LED Current Decreasing with V
IN
Effi ciency vs V
IN
V
IN
(V)
2
I
LED
(mA)
70
80
90
18
3492 TA08b
60
50
20
6
10
14
40
30
110
100
V
IN
(V)
4
0
EFFICIENCY (%)
10
30
40
50
12
90
3492 TA08c
20
816
60
70
80
LT3492
17
3492fa
TYPICAL APPLICATIONS
Triple LED Driver Driving LED Strings in Buck, Boost and Buck-Boost Modes
2 LEDs
C3
1µF
V
IN
10V TO 16V
0.3A
ISN1
TG1
330m
2.2nF
3492 TA05
L1
6.8µH
L2
22µH
L3
33µH
ISP1
D2
M1
M2
M3
1
SW1 SW2
LT 3 4 9 2
GND
SW3 TG1-3
OVP2-3
V
C1-3
ISP1-3
ISN1-3
V
IN
PWM1-3
SHDN
C1: MURATA GRM55DR71H335KA0193
C2: MURATA GRM21BR71H474KA88
C3, C5: MURATA GRM31MR71H105KA88
C4: MURATA GRM21BR71H104KA01B
D1: DIODES DFLS130
D2, D3: ROHM RB160M-60
L1: TDK VLF5014AT-6R8MR99
L2: TDK VLF5014AT-229MR62
L3: TDK VLF5014AT-330MR50
M1: ZETEX ZXMP3A13F
M2, M3 ZETEX ZXMP6A13F
10 LEDs
0.1A
825k
20k
OVP2
ISN2
TG2
C2
0.47µF
D1
1
ISP2
D3
4 LEDs
100k
0.1A
18.2k
150k
49.9k
1.3MHz
ISN3
TG3
3.9M
V
IN
ISP3
C4
0.1µF
C5
1µF
OVP3
C1
3.3µF
s3
V
REF
CTRL1-3
FADJ
OVP1
3000:1 PWM Dimming at 100Hz for CH1 (Buck Mode) 3000:1 PWM Dimming at 100Hz for CH2 (Boost Mode)
3000:1 PWM Dimming at 100Hz for CH3 (Buck-Boost Mode)
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.5A/DIV
1µs/DIV
3492 TA05b
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.1A/DIV
1µs/DIV
3492 TA05c
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.1A/DIV
1µs/DIV
3492 TA05d
LT3492
18
3492fa
Triple Buck Mode LED Driver with Open LED Protection
0.3A
C4
0.47µF
C5
0.47µF
C6
0.47µF
D1 D2 D3
5.6k
5.6k
80.6k
80.6k
2k 2k
ISN1
M1 M2 M3
330m 330m
TG1
PV
IN
48V
L1
22µH
L2
22µH
L3
22µH
M4
OVP1
OVP2
M5
M6
ISP1
0.3A
ISN2
TG2
ISP2
0.3A
ISN3
C1-C3
1µF
s3
330m
3492 TA02
TG3
ISP3
5.6k
80.6k
2k
OVP1
C1-C3, C7: MURATA GRM31CR72A105KA01L
C4-C6: MURATA GRM21BR72A474KA73
D1-D3: ROHM RB160M-60
L1-L3: TDK VLF5014AT-220MR62
M1-M3: ZETEX ZXMP6A13F
M4-M6: PHILIPS BC858B
470pF
SW1 SW2
LT3492
GND
SW3
FADJ
TG1-3
OVP1-3
V
C1-3
V
REF
CTRL1-3
ISP1-3
ISN1-3
V
IN
PWM1-3
SHDN
V
IN
5V
C7
1µF
430k
10k
100k
1MHz
10 LEDs 10 LEDs 10 LEDs
TYPICAL APPLICATIONS
2000:1 PWM Dimming at 100Hz Effi ciency vs PWM Duty Cycle for 200mA LEDs
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.5A/DIV
1µs/DIV
3492 TA02b
PWM DUTY CYCLE (%)
0
50
EFFICIENCY (%)
55
65
70
75
40
80
100
95
3492 TA02c
60
20 60
80
85
90
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

LT3492IUFD#TRPBF

Mfr. #:
Buy LT3492IUFD#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers High Current, 60V, 2.1MHz Triple Output LED Driver in 4x5 QFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet