LT3755 LINER [Linear Technology], LT3755 Datasheet - Page 6

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

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