lt3741 Linear Technology Corporation, lt3741 Datasheet - Page 5

• Manufacturer Part Number: lt3741
• Description: High Power, Constant Current, Constant Voltage, Step-down Controller
• Manufacturer: Linear Technology Corporation

Typical perFormance characTerisTics
1.70
1.64
1.46
1.58
1.52
1.40
2.0
1.6
0.8
0.4
1.2
90
80
60
50
40
70
0
–50
6
6
RT Pin Current Limit
EN/UVLO Threshold (Falling)
Quiescent Current (Non-Switching)
–15
12
12
TEMPERATURE (°C)
18
18
20
–50°C
V
V
IN
IN
(V)
(V)
24
24
55
130°C
T
T
T
A
A
A
30
30
90
= 25°C
= 130°C
= –50°C
3741 G01
3741 G04
3741 G08
125
36
36
2.06
2.05
2.04
2.03
2.02
2.01
1.99
1.98
2.00
14
13
12
11
10
10
9
7
6
8
4
2
0
8
6
–50
–50
6
Soft-Start Pin Current
EN/UVLO Pin Current
V
REF
Pin Voltage
–15
12
–15
V
IN
TEMPERATURE (°C)
TEMPERATURE (°C)
= 36V
20
18
20
V
V
IN
V
V
IN
IN
(V)
IN
= 36V
= 6V
= 6V
55
24
55
90
30
90
25°C
130°C
–50°C
3741 G09
3741 G02
3741 G05
125
36
125
0.1
0.5
0.4
0.3
0.2
1.6
1.4
1.2
1.0
0.8
0
6
5
3
2
1
0
4
0
6
0
I
V
V
Q
V
T
CC_INT
REF
IN
A
in Shutdown
= 25°C
= 12V
10
Current Limit
12
8
Current Limit
20
16
18
I
T
T
LOAD
T
A
A
A
V
V
130°C
25°C
= 130°C
= –50°C
IN
IN
= 25°C
30
(V)
(V)
(mA)
24
24
LT3741
40
32
30
50
3741 G03
3741 G06
3741 G07

3741f
60
40
36