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LT3755 Datasheet(PDF) 6 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) 6 Page - Linear Technology

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LT3755/LT3755-1
6
37551fa
TYPICAL PERFORMANCE CHARACTERISTICS
INTVCC Voltage vs VIN
INTVCC Current Limit
vs Temperature
INTVCC Voltage vs Temperature
Quiescent Current vs VIN
SENSE Current Limit Threshold
vs Temperature
SHDN/UVLO Threshold
vs Temperature
VIN (V)
0
1.0
2.0
0.5
1.5
37551 G10
010
20
40
30
PWM = 0V
37551 G11
TEMPERATURE (°C)
90
100
110
95
105
–50
0
50
75
–25
25
100
125
37551 G12
TEMPERATURE (°C)
1.18
1.22
1.28
1.20
1.24
1.26
SHDN/UVLO RISING
SHDN/UVLO FALLING
–50
0
50
75
–25
25
100
125
010
20
40
30
VIN (V)
0
4
8
2
6
37551 G13
37551 G14
TEMPERATURE (°C)
30
34
40
32
36
38
–50
0
50
75
–25
25
100
125
37551 G15
TEMPERATURE (°C)
–50
0
50
75
–25
25
100
125
7.0
7.2
7.4
7.1
7.3
TA = 25°C, unless otherwise noted.
SENSE Current Limit Threshold
vs Duty Cycle
V(ISP-ISN) Threshold vs FB Voltage
Gate Rise/Fall Time
vs Capacitance
DUTY CYCLE (%)
90
100
110
95
105
37551 G16
0
255075
100
FB VOLTAGE (V)
37551 G17
1.2
1.22
1.24
1.26
1.28
0
50
125
25
75
100
VCTRL = 2V
CAPACITANCE (nF)
37551 G18
0246
10
8
0
40
100
20
60
80
GATE RISE
TIME
GATE
FALL TIME
10% TO 90%



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