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LT3756 Datasheet(PDF) 27 Page - Analog Devices

Part # LT3756
Description  60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming
PDF  31 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3756 Datasheet(HTML) 27 Page - Analog Devices

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LT8355-1
27
Rev. A
For more information www.analog.com
TYPICAL APPLICATIONS
Dual 10W Buck Mode High Switching Frequency (2MHz) LED Driver
Efficiency vs VIN Voltage
200m
ILIM = 0.5A
D2
0.47µF
750m
M4
9.09k
20k
499k
1µF
100k
1M
Q2
243k
10k
D1
0.47µF
750m
M3
L1
33µH
100k
1M
Q1
243k
10k
200m
ILIM = 0.5A
M1
M2
L2
33µH
0.15nF
5.1k
0.15nF
5.1k
10nF
10nF
V
VIN
VIN
IN
36V TO 54V
EN/UVLO
GATE2
SENSEP2
330mA
FB2
ISP2
ISN2
PWMTG2
VC2
VC1
VIN
VREF
CTRL1
CTRL2
IADJ2
f = 2MHz
LT8355-1
10W LED ARRAY
VIN
GATE1
330mA
FB1
ISP1
ISN1
PWMTG1
10W LED ARRAY
SENSEP1
SENSEN1 SENSEN2
RT
GND
L1, L2: WURTH 7447789133
M1, M2: VISHAY Si2308BDS
M3, M4: VISHAY Si2309CDS
D1, D2: DIODES INC DFLS160Q
8355-1 TA05a
100V
50V
50V
2.2µF
INTVCC
PWM1
INTVCC
FAULT1
FAULT2
100k
PWM2
CH1 ONLY
CH2 ONLY
BOTH CHANNELS
VIN (V)
36 38 40 42 44 46 48 50 52 54
84
86
88
90
92
94
8355-1 TA05b



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