LT3755 LINER [Linear Technology], LT3755 Datasheet - Page 5

• Manufacturer Part Number: LT3755
• Description: 40VIN, 75VOUT LED Controller
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
10000
1000
1.28
1.27
1.26
1.25
1.24
1.23
1.20
1.22
1.21
120
100
–20
100
80
60
40
20
10
0
–50
10
0
V
FB Voltage vs Temperature
Switching Frequency vs R
ISP
–25
– V
0.5
ISN
0
TEMPERATURE (°C)
Threshold vs V
V
25
CTRL
R
T
1
(k)
(V)
50
75
1.5
T
CTRL
100
37551 G01
37551 G04
37551 G07
125
100
2
1400
1300
1200
1100
1000
2.04
2.03
2.02
2.01
2.00
1.99
1.96
103
102
101
100
1.98
1.97
900
800
700
600
99
98
97
–50
–50
0
V
V
Switching Frequency
vs Temperature
V
R
ISP
REF
CTRL
T
= 10k
–25
–25
– V
Voltage vs Temperature
= 2V
20
ISN
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
ISP VOLTAGE (V)
Threshold vs V
25
25
40
50
50
75
75
60
ISP
100
100
37551 G02
37551 G08
37551 G05
T
A
125
125
80
= 25°C, unless otherwise noted.
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
103
102
101
100
2.4
2.2
1.6
2.0
1.8
97
99
98
LT3755/LT3755-1
–50
–60
V
vs Temperature
0
V
SHDN/UVLO Current vs Voltage
V
ISP
REF
CTRL
–25
– V
Voltage vs V
–40
= 2V
ISN
10
0
TEMPERATURE (°C)
TEMPERATURE (°C)
Threshold
–20
25
V
IN
20
IN
(V)
50
0
75
30
20
100
37551 G03
37551 G09
37551 G06
37551fa
5
125
40
40