LT3492 LINER [Linear Technology], LT3492 Datasheet - Page 20

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

LT3492
TYPICAL APPLICATION
RELATED PARTS
20
PART NUMBER
LT3496
LT3474
LT3475
LT3476
LT3477
LT3478/LT3478-1
LT3486
LT3517
LT3518
LT3755/LT3755-1
LT3756-1
LTC
5V TO 16V
®
3783
V
IN
10V TO 16V
PV
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
C8
1μF
IN
2.2μF
C1
C1: MURATA GRM31MR71E225KA93
C2, C4, C6: MURATA GRM21BR71H104KA01B
C3, C5, C7: MURATA GRM31MR71H105KA88
C8: MURATA GRM31MR71E105KA93
ISP1-3
ISN1-3
V
PWM1-3
SHDN
22μH
IN
DESCRIPTION
Triple 0.75A, 2.1MHz, 45V LED Driver
36V, 1A (I
Dual 1.5A (I
Quad Output 1.5A, 36V, 2MHz High Current LED Driver
with 1000:1 Dimming
3A, 42V, 3MHz Boost, Buck-Boost, Buck LED Driver
4.5A, 42V, 2.5MHz High Current LED Driver with
3000:1 Dimming
Dual 1.3A, 2MHz High Current LED Driver
1.5A, 2.5MHz, 45V LED Driver
2.3A, 2.5MHz, 45V LED Driver
40V
100V High Current LED Controller
High Current LED Controller
Triple Buck-Boost Mode 100mA × 4 LED Driver
L1
SW1
IN
●
TG1
, 75V
100mA
FAX: [phone]
D1
ISN1
ISP1
0.1μF
LED
C2
1Ω
OUT
LED
), 2MHz, Step-Down LED Driver
M1
, Full Featured LED Controller
), 36V, 2MHz Step-Down LED Driver
PV
IN
3.9M
100k
4 LEDs
C3
1μF
OVP1
22μH
L2
SW2
LT3492
●
GND
TG2
www.linear.com
100mA
D2
ISN2
ISP2
0.1μF
C4
D1-D3: ROHM RB160M-60
L1-L3: TDK VLF5014AT-220MR62
M1-M3: ZETEX ZXMP6A13F
1Ω
M2
PV
IN
3.9M
100k
4 LEDs
C5
1μF
OVP2
22μH
L3
SW3
TG3
100mA
D3
ISN3
ISP3
CTRL1-3
0.1μF
OVP1-3
COMMENTS
V
4mm × 5mm QFN and TSSOP16E Packages
V
I
V
I
V
I
V
QFN and TSSOP20E Packages
V
I
V
I
V
4mm × 4mm QFN and TSSOP16E Packages
V
4mm × 4mm QFN and TSSOP16E Packages
V
I
V
I
V
I
TG1-3
V
SD
SD
SD
SD
SD
SD
SD
SD
C6
V
FADJ
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
1Ω
C1-3
REF
: 3V to 30V, V
: 4V to 36V, V
: 4V to 36V, V
: 2.8V to 16V, V
: 2.5V to 25V, V
: 2.8V to 36V, V
: 2.5V to 24V, V
: 3V to 30V, V
: 3V to 30V, V
: 4.5V to 40V, V
: 6V to 100V, V
: 3V to 36V, V
< 1μA, TSSOP16E Package
< 1μA, TSSOP20E Package
< 10μA, 5mm × 7mm QFN Package
< 3μA, TSSOP16E Package
< 1μA, 5mm × 3mm DFN and TSSOP16E Packages
< 1μA, 3mm × 3mm QFN-16 and MS16E Packages
< 1μA, 3mm × 3mm QFN-16 and MS16E Packages
< 20μA, 5mm × 4mm QFN10 and TSSOP16E Packages
M3
PV
150k
49.9k
IN
1.3MHz
3.9M
100k
4 LEDs
C7
1μF
OVP3
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
18.2k
3492 TA06
2.2nF
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
= 45V, Dimming = 3000:1, I
= 13.5V, True Color PWM Dimming = 400:1,
= 13.5V, True Color PWM Dimming = 3000:1,
= 45V, Dimming = 3000:1, I
= 45V, Dimming = 3000:1, I
= Ext FET, True Color PWM Dimming = 3000:1,
= 100V, True Color PWM Dimming = 3000:1,
= 36V, True Color PWM Dimming = 1000:1,
= 40V, Dimming = Analog/PWM, I
= 42V, True Color PWM Dimming = 3000:1,
= 36V, True Color PWM Dimming = 1000:1,
= 75V, True Color PWM Dimming = 3000:1,
0.1A/DIV
0.5A/DIV
5V/DIV
PWM
I
LED
I
L
3000:1 PWM Dimming at 100Hz
© LINEAR TECHNOLOGY CORPORATION 2009
1μs/DIV
SD
SD
SD
LT 1109 • PRINTED IN USA
< 1μA,
< 1μA,
< 1μA,
SD
< 1μA,
3492 TA06b
3492f