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LT3755 Datasheet(PDF) 20 Page - Linear Technology

Part # LT3755
Description  40VIN, 75VOUT LED Controller
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3755 Datasheet(HTML) 20 Page - Linear Technology

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LT3755/LT3755-1
20
37551fa
TYPICAL APPLICATIONS
Buck Mode 1.5A LED Driver with PWM Dimming
VIN
LT3755
L1
10μH
GND
100k
SHDN/UVLO
VREF
ISP
1M
100k
510k
C1
1μF
0.1μF
VIN
10V TO
36V
INTVCC
0.068Ω
M1: VISHAY SILICONIX SI7850DP
M2: VISHAY SILICONIX SI1471DH
Q1: MMBT2222A NPN
Q2: FMMT558 PNP
D1: VISHAY 30BQ060
L1: SUMIDA CDRH8D43-100
267k
28.7k
400kHz
10k
INTVCC
4.7μF
CTRL
0.033Ω
1k
249k
M1
Q2
22.1k
VC
15k
2200pF
D1
37551 TA06a
OPENLED
PWM
SS
RT
ISN
PWMOUT
SENSE
FB
GATE
Q1
1.5A
8.5V MAX
16V
22μF
Buck Mode Efficiency vs Input Voltage
PWM
ILED
500mA/DIV
10μs/DIV
37551 TA06b
1500:1 PWM Dimming at 100Hz
37551 TA06c
INPUT VOLTAGE (V)
015
10
25
30
520
35
40
70
90
85
100
75
80
95



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