LT3756 LINER [Linear Technology], LT3756 Datasheet - Page 20

• Manufacturer Part Number: LT3756
• Description: 100VIN, 100VOUT LED Controller
• Manufacturer: LINER [Linear Technology]

LT3756/LT3756-1
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LT3474
LT3475
LT3476
LT3477
LT3478/LT3478-1
LT3486
LT3496
LT3517
LT3518
LT3755/LT3755-1
LTC
20
24V TO
Buck Mode 1A LED Driver with High Dimming Ratio and Open LED Reporting
80V
V
®
IN
3783
10k
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
0.1μF
C1
1μF
INTV
CC
28.7k
400kHz
100k
1M
61.9k
DESCRIPTION
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
3000:1 Dimming
Dual 1.3A, 2MHz High Current LED Driver
Triple 0.75A, 2.1MHz, 45V LED Driver
1.5A, 2.5MHz, 45V LED Driver
2.3A, 2.5MHz, 45V LED Driver
High Current LED Controller
4.5A, 42V, 2.5MHz High Current LED Driver with
40V
IN
●
SHDN/UVLO
V
CTRL
PWM
OPENLED
SS
RT
VC
, 60V
REF
FAX: [phone]
47k
0.001μF
LED
OUT
LED
LT3756
), 2MHz, Step-Down LED Driver
V
, Full Featured LED Controller
GND
), 36V, 2MHz Step-Down LED Driver
IN
PWMOUT
INTV
SENSE
GATE
ISN
ISP
FB
CC
3756 TA05a
C2
4.7μF
●
www.linear.com
M2
1.5k
1k
0.1Ω
M1: VISHAY SILICONIX Si3430DV
D1: DIODES INC B1100/B
L1: COILCRAFT MSS1246-101
M2: VISHAY SILICONIX Si2328DS
M3: ZETEX ZXM61P03F
M1
M3
L1
100μH
0.043Ω
1A
365k
5 WHITE LEDs
20W
D1
COMMENTS
V
I
V
I
V
I
V
QFN and TSSOP20E Packages
V
I
V
I
V
4mm × 5mm QFN and TSSOP16E Packages
V
4mm × 4mm QFN and TSSOP16E Packages
V
4mm × 4mm QFN and TSSOP16E Packages
V
I
V
I
+
–
SD
SD
SD
SD
SD
SD
SD
22V
22.1k
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 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
: 3V to 30V, V
: 4.5V to 40V, V
: 3V to 36V, V
100k
< 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
< 20μA, 5mm × 4mm QFN10 and TSSOP16E Packages
C4
4.7μF
V
IN
C3
4.7μF
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
= 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
= 45V, Dimming = 3000:1, I
= Ext FET, 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,
= 60V, True Color PWM Dimming = 3000:1,
100
96
92
88
84
80
20
© LINEAR TECHNOLOGY CORPORATION 2008
30
Effi ciency vs V
40
V
IN
50
SD
SD
SD
(V)
LT 0808 • PRINTED IN USA
< 1μA,
< 1μA,
< 1μA,
IN
60
SD
< 1μA,
70
37561 TA05b
37561f
80