LT3756-1 LINER [Linear Technology], LT3756-1 Datasheet - Page 28

• Manufacturer Part Number: LT3756-1
• Description: 60VIN LED Controller with Internal PWM Generator
• Manufacturer: LINER [Linear Technology]

80W High Voltage Boost LED Driver with 25:1 Internally Generated PWM Dimming
LT3761
Typical applicaTion
relaTeD parTs
PART NUMBER
LT3755/LT3755-1/
LT3755-2
LT3756/LT3756-1/
LT3756-2
LT3796
LT3956
LT3754
LT3518
LT3478/LT3478-1 4.5A, 2MHz High Current LED Driver with 3000:1 Dimming
LT3791/LT3791-1 60V, Synchronous Buck-Boost 700kHz LED Controller
28
12V TO
60V
V
IN
0V TO
DIM
8V
0.1µF
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
M1, M2: INFINEON BSC520N15
D1: DIODES PDS4150
L1: COILTRONICS HC9-220-R
C
2.2µF
×2
100V
124k
OUT
INTV
: TDK C3225X7R2E224K
1.4kHz
CC
DESCRIPTION
High Side 40V, 1MHz LED Controller with True Color 3000:1
PWM Dimming
High Side 100V, 1MHz LED Controller with True Color 3000:1
PWM Dimming
High Side 100V, 1MHz LED Controller with True Color 3000:1
PWM Dimming, PMOS Disconnect FET Driver, Input Current
Limit and Input/Output Current Reporting
High Side 80V, 3.5A, 1MHz LED Driver with True Color 3,000:1
PWM Dimming
60V, 1MHz Boost 16-Channel 40mA LED Driver with True
Color 3000:1 PWM Dimming and 2% Current Matching
2.3A, 2.5MHz High Current LED Driver with 3000:1 Dimming
with PMOS Disconnect FET Driver
187k
21k
100k
10nF
●
590k
20k
FAX: [phone]
EN/UVLO
V
CTRL
OPENLED
DIM/SS
PWM
V
REF
C
2k
4.7nF
LT3761
V
RT
IN
39.2k
250kHz
PWMOUT
INTV
SENSE
GATE
GND
22µH
ISN
ISP
●
FB
L1
CC
www.linear.com
1µF
INTV
M1
12m
D1
CC
C
0.22µF
×8
250V
OUT
CURRENT DERATED
1M
0805
8.66k
0.39
FOR V
IN
COMMENTS
V
I
V
I
V
I
V
I
V
I
V
I
V
I
V
Analog = 100:1, I
M2
< 35V
SD
SD
SD
SD
SD
SD
SD
IN
IN
IN
IN
IN
IN
IN
IN
3761 TA03a
650mA
: 4.5V to 40V, V
: 6V to 100V, V
: 6V to 100V, V
: 6V to 80V, V
: 4.5V to 40V, V
: 3V to 30V, V
: 2.8V to 36V, V
: 4.7V to 60V, V
< 1μA, 3mm × 3mm QFN-16 and MSOP-16E Packages
< 1μA, 3mm × 3mm QFN-16 and MSOP-16E Packages
< 1μA, TSSOP-28E Packages
< 1μA, 5mm × 6mm QFN-36 Package
< 1μA, 5mm × 5mm QFN-32 Package
< 1μA, 4mm × 4mm QFN-16 and TSSOP-16E Packages
< 1μA, TSSOP-16E Package
80W
LED
STRING
135V MAX
(0.2A/DIV)
(1V/DIV)
OUT(MAX)
OUT(MAX)
SD
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT
PWM
I
< 1µA, TSSOP-38E Package
LED
Range: 0V to 60V, True Color PWM,
100
96
92
88
84
80
DIM = 4V
V
V
IN
LED
10
= 80V, True Color PWM Dimming = 3000:1,
= 45V, 3000:1 True Color PWM Dimming,
= 100V, 3000:1 True Color PWM Dimming
= 100V, 3000:1 True Color PWM Dimming
PWM TIED TO INTV
= 36V
= 75V, 3000:1 True Color PWM Dimming
= 60V, True Color PWM Dimming = 3000:1,
= 40V, 3000:1 True Color PWM Dimming,
= 134V
EFFICIENCY
HV Boost Efficiency and
 LINEAR TECHNOLOGY CORPORATION 2012
20
Dimming Waveform
LED Current vs V
LED CURRENT
30
200µs/DIV
V
CC
IN
(V)
40
LT 0812 • PRINTED IN USA
IN
50
37551 TA03b
3761 TA03c
60
1.0
0.8
0.6
0.4
0.2
0.6
3761f